HomeMy WebLinkAbout11/19/1996, SS1 - WATER REUSE IMPLEMENTATION PLAN council "`
Nov. 19 1996
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C I TY O F SAN LU I S O B I S P O
FROM: John Moss, Utilities DirectoAV
Prepared By: David Pierce, astewater Reclamation Coordinator
SUBJECT: WATER REUSE IMPLEMENTATION PLAN
CAO RECONEMU DATION
Receive Report and Provide Comments
REPORT-IN-BRIEF
The Water Reuse Project will provide the distribution facilities needed to reuse approximately
one-third of the tertiary reclaimed water produced by the City's Water Reclamation Facility. This
project supports the goals and policies that the City Council has adopted concerning the
development and allocation of additional water resources. The quality of the tertiary reclaimed
water is high enough that it could be substituted for potable water for most every use other than
drinking, food preparation, bathing, and swimming. However, the cost of constructing a parallel
distribution system makes the use of reclaimed water economical only for large users or users
adjacent to the distribution lines. Existing users of City potable water that could be connected
to the reclaimed water distribution system are parks, schools,.Caltrans, home owner associations
and a few other users along the pipeline. These customers use about 330 acre-feet of water per
year. Development proposed by the general plan is expected to have a nonpotable demand of
at least 455 acre-feet per year. Discussions with staff at Cal Poly indicate a willingness to accept
up to 300 acre-feet per year for farm irrigation. The City would receive water stored in Whale
Rock Reservoir in exchange for the recycled water. Other customers have indicated some interest
in reclaimed water because it is less susceptible to drought. The major issue for all customers
has been cost. Recycled water will not be acceptable if there is any increase in the total cost of
using water. Any customer that is currently using City potable water can be required to use
reclaimed water if the City adopts an ordinance similar to the draft attached as Exhibit A.
The Water Reuse Project must modify the old chlorination facility at the south end of the Water
Reclamation Facility to rechlorinate the water that will be stored in the ponds. Filters will be
installed at that location to remove algae that may grow during the open storage, and pumps will
be installed to pressurize the distribution system. The estimated cost of a two phased project to
install approximately 8.5 miles of pipeline along with the necessary pumps and other equipment
is $9,200,000. The Environmental Review should be concluded by the end of the year. The City
Council will be asked to certify the EIR and the State Water Resource Control Board will be
asked to issue a permit for a change in the place of use of the reclaimed water. A design team
should be selected in the spring and construction should start the following year with water being
delivered for the summer of 1999.
Council Agenda Report - Water Reuse Implementation Plan
Page 2
Future Decisions that will be Returned to City Council
The major purpose of this presentation is to inform the City Council of the current status of the
Water Reuse Project and of the decisions that will be coming before the Council during the next
year. These decisions include:
Certification of the EIR,
Approval of an application for a State Revolving Fund low interest loan,
Selection of a design team,
Selection of a phasing and financing option
(including the establishment of an appropriate rate schedule), and
Approval of rules and regulations for the use of reclaimed water.
DISCUSSION
Project Description
The Water Reuse Project will provide the distribution system needed to deliver up to 1233 acre
feet a year of high quality tertiary reclaimed water to large volume customers throughout San
Luis Obispo. Other customers located along the route of the distribution system may be served
where it is economical to provide the connections. Components of the distribution system as
shown on Exhibit B will include pump stations, water storage facilities, treatment equipment,
pipelines, and appurtenances. The existing pond at the south end of the Water Reclamation
Facility will be enlarged and used for storage. The pond will be landscaped to improve its
appearance and habitat value. Reclaimed water may also be stored in a currently unused five
million gallon reservoir located north of the City on Fox Hollow Road. The Water Reuse Project
will install approximately 8-1/2 miles of pipeline and will use approximately 2-1/2 miles of
abandoned petroleum pipelines.
Since 1994, the Water Reclamation Facility (WRF) at 35 Prado Road has produced a disinfected
tertiary reclaimed water that is suitable for all irrigation needs and many other uses. This water
is currently discharged to San Luis Obispo Creek under a National Pollution Discharge
Elimination System (NPDES) permit that is issued by the Regional Water Quality Control Board.
Upon completion of the Water Reuse Project a portion of this reclaimed water will be distributed
for reuse.
Goal and Policy Links
The Water Reuse Project supports several adopted City goals and policies by providing a new
source that will provide 1,233 acre-feet of water per year to meet existing and future demands.
Water delivered to Cal Poly would be in exchange for a similar amount of water from Cal Poly's
supply in Whale Rock Reservoir.
Council Agenda Report - Water Reuse Implementation Plan
Page 3
The Urban Water Management Plan (UWMP) reports the current safe annual yield as 7,235 acre-
feet from a combination of Salinas Reservoir, Whale Rock Reservoir and groundwater (uww
2.1). Future demand is projected to be 9,096 acre-feet per year (UWNT 2.3.3) in order to provide
145 gallons per person per day (UWW 2.3.2) to the General Plan build-out population of 56,000.
In addition to this future demand, the UWMP calls for a reliability reserve with a safe annual
yield of 2,000 acre-feet (Uww 2.4) and an additional 500 acre-feet per year to replace the loss
of existing yield caused by siltation of reservoirs (Uww 2.5). The additional safe annual yield
of 3,861 acre-feet needs to be developed while maintaining multiple water sources (UVINT 2.7).
The City has developed several goals and policies regarding the use of reclaimed water. The
water shall be of a high quality (UWW 2.10.1). Reclaimed water shall be substituted where
allowed for existing potable water uses and new development shall be plumbed to maximize the
use of reclaimed water (UVIW 2.10.2)
Since the supply of recycled water is limited, the City Council adopted Resolution No. 8264
(1994 Series) Revising Policy Regarding the use of Reclaimed Water to set priorities for its use.
Reclaimed water should be used to replace potable water that is used to meet nonpotable
demands.
The first category of uses includes:
• New irrigation/nonpotable water uses within development approved for construction within the
City and approved for connection to the City water system.
• Existing irrigation/nonpotable water uses connected to the City water system.
• Existing irrigation/nonpotable uses within the Urban Reserve Line, with or without connections
to the City water system which employ private wells to supply or augment nonpotable
water requirements.
• Maintaining creek flow for existing instream uses
The second category of projects includes:
• Outside of the Urban Reserve Line irrigation/nonpotable uses that maintain or enhance
agriculture or open space.
Allowable Uses of Reclaimed Water
Briefly stated the recycled water produced by the City of San Luis Obispo's Water Reclamation
Facility is suitable for most any use other than drinking, food preparation, swimming, within
facilities that prepare food or beverage for human consumption, or within residential living
quarters. The recycled water can be used for irrigation at any location and on any food crop. The
California Department of Health Services promulgates criteria for use of Recycled Water in the
Water Reclamation Criteria portion of Title 21, Division 4, Chapter 3 of the Califomia Code of
Regulations and in guidelines that pertain to specific uses. The Recycled Water produced by the
City of San Luis Obispo is a direct filtered tertiary reclaimed water which is also known as a
tertiary reclaimed water with a turbidity of less than 5 NTU before filtration. Exhibit D
summarizes the State of California Department of Health Services regulations regarding the
permitted uses of five classifications of reclaimed water. Use of recycled water requires a permit
s�i-3
Council Agenda Report - Water Reuse Implementation Plan
Page 4
from the California Regional Water Quality Control Board which enforces the regulations
published by the Department of Health Services.
The recycled water produced by the City's Water Reclamation Facility meets the chemical
standards for drinking water except for an excess of nitrate. However, there will still be concerns
about the suitability of recycled water for irrigation of certain sensitive plants. City staff will
work with the landscaping, agricultural and academic communities to provide users of recycled
water with the information they need to manage their landscaping and agricultural crops. The
experience of many similar projects throughout the state has been that landscaping and crops
often flourish after being irrigated with.nutrient rich recycled water.
Pmject Proposed Uses of Reclaimed Water
The Water Reclamation Facility produces 4000 acre-feet of recycled water a year. However, the
production is at a relatively constant rate of 5.5 cubic feet per second (cfs), 11 acre-feet per day,
or 3.6 million gallons per day. In order to be able to mitigate the environmental impacts to less
than significant and to meet the City's goal of maintaining San Luis Obispo Creek as a natural
asset to the City and the surrounding area, the Water Reuse Project proposes that the City will
make a commitment to discharge a minimum of 1.7 cfs (1.1 million gallons per day) of recycled
water to San Luis Obispo Creek for maintenance of instream habitat. This will leave up to 3.8
cfs (2.5 million gallons per day) available for reuse. However, since the primary use of recycled
water in the City of San Luis Obispo will be irrigation, the demand will peak during the hottest
periods of the summer and be significantly less during the winter months. Excess water will be
discharged to the creek.
Current or Existing (offset) - 630 afy
330 acre-feet for irrigation that currently is connected to the City water distribution
system.
300 acre-feet for Cal Poly to provide recycled water as a substitute for water from Whale
Rock that is used to meet agricultural irrigation demands. In exchange the City
would receive the water that was not pumped from Whale Rock.
Future Development Areas - 455 afv
200 acre-feet for the development proposed by the General Plan to occur west of
Highway 101 along Madonna Road and Los Osos Valley Road
255 acre-feet for the development proposed by the General Plan to occur in the Margarita
and Airport areas.
Other Uses Possible Through Program Expansion
The proposed pipeline routes are adjacent to many commercial and condominium complexes
which could use reclaimed water for irrigation. The use of recycled water to meet industrial
demands and for toilet flushing in commercial facilities has not been addressed because there are
no current users with sufficient usage to be considered. However, these and other uses will be
considered for each new development.
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Council Agenda Report - Water Reuse Implementation Plan
Page 5
The demands of these proposed large users total to 1,085 of the available 1,233 acre-feet per year
Project Proposed Users of Reclaimed Water.
As the City began considering the use of recycled water, a survey was conducted in 1991 to
determine the level of interest. The survey identified Caltrans, Cal Poly, City parks, schools, and
planned developments as large volume irrigation users that are supportive of the use of recycled
water. The primary concern of each of.these large users is cost. Although, there may be future
uses of reclaimed water for irrigation of single family residences with dual plumbing, the primary
residential customers will be those where a home owners association is responsible for irrigation.
Staff has contacted the major potential users and confirmed their willingness to use recycled
water. These users and their major issues of concern are listed below.
User - Proposed Use & Issues of Concern
Schools 65. acre-feet. Potential sites include Laguna Middle School, C.L. Smith,
Hawthorne, Sinsheimer Elementary Schools. The High School and
Pacific Beach will continue to use wells that were drilled during
the drought. The primary concerns are cost and possible opposition
from parents concerned about water quality. .
Cal Trans 10. acre-feet When CalTrans upgraded the freeway irrigation system, they
designed it to take advantage of recycled water.
City Parks 185. acre-feet Primary issue will be possibility of reducing cost of water.
Private 80. acre-feet Private unit developments along the route
Cal Poly 300. acre-feet Cal Poly would take recycled water rather than water from Whale
Rock to meet agricultural irrigation demands. In exchange the City
would receive the water that was not pumped from Whale Rock.
Cal Poly staff are concerned that since this is not an additional
source of water, there should not be any cost to Cal Poly to
participate and it would be desirable for there to be a financial
incentive for them to participate.
Law Compelling the Use of Reclaimed Water.
The California Water Code at Section 13500 states that the use of potable domestic water for
nonpotable uses is a waste or an unreasonable use of the water if recycled water is available. The
Code at Section 13552.4. states that any public agency may require the use of recycled water for
irrigation of residential landscaping, if(1) recycled water is available to the user, (2) the use of
recycled water does not impact an existing water right, and (3) the irrigation system complies
with regulations for delivery of recycled water. Several agencies have enacted ordinances or
established policies that preclude the delivery of potable water when reclaimed water would be
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Council Agenda Report - Water Reuse Implementation Plan
Page 6
adequate. Exhibit A is a draft ordinance that could be used to implement such a policy.for the
City of San Luis Obispo. The key decision in adopting such an ordinance will be a commitment
to insure that the cost, to the customer, of recycled water does not exceed that of potable water.
New Users - Allocation of Reclaimed Water,
The Urban Water Management Plan at Section 2.10.3 states that reclaimed water will be added
to the City's safe annual yield consistent with the policies contained in the UWMP. Once the
safe yield of recycled water is added to the available safe annual yield, the requirement to
develop retrofit offsets will disappear. Applicants for new water allocations will pay impact fees
based on the entire allocation of water requested (potable + reclaimed). The developer will be
required to install dual plumbing to maximize the use of recycled water. The Community
Development Department and the Utilities Department will work with the developer to determine
what proportion of the allocation can be met with recycled water.
Future Development Areas - 455 afy
Laguna 200 acre-feet Development proposed by the General Plan to occur along
Madonna Road and Los Osos Valley Road.
Margarita & 255 acre-feet Development proposed by the General Plan to occur in the
Airport Areas Margarita and Airport areas. Plans for this area include a
significant commitment to parks and recreational facilities.
Infrastructure Requirements
WRF Improvements
At the Water Reclamation Facility the storage pond will be enlarged to six acres from the present
four and will be deepened to eight feet from the present six. The old chlorination facility will
be modified to house a rechlorination process and to refilter the water prior to distribution.
Distribution pumps will be installed to provide the pressure necessary to distribute the water.
Although the tertiary reclaimed water is suitable for use at the end of the disinfection process,
the water must be stored for irrigation that will be accomplished at night. Prior to discharge to
the creek or storage pond the water is dechlorinated to protect the aquatic life. The water will
need to be rechlorinated to prevent growth of algae during distribution and filtered to remove any
algae or sediments that were picked up in the ponds.
Transmission facilities
The backbone of the proposed system will include a pipeline from the Water Reclamation Facility
along the freeway, through the abandoned Unocal lines in Pismo Street and San Luis Drive, on
to the reservoir adjacent to the police range on Fox Hollow Road. A branch will extend along
California Boulevard to Highland Drive and through the Cal Poly campus to interconnect with
the Cal Poly nonpotable water distribution system. Initial evaluations indicate a booster pump
Council Agenda Report - Water Reuse Implementation Plan
Page 7
will be needed in the vicinity of the new Parks and Recreation offices at Pismo and Beach
Streets.
A second branch extends to the east through the proposed Margarita and Airport development
areas and then along the railroad to Sinsheimer park and school. A booster pump will be needed
in the vicinity of Industrial Way.
The third branch extends to Laguna Lake Park and Middle School. This system does not need
a booster pump but should have a reservoir to maintain pressure.
Distribution facilities
Each of the sites will require pipelines from the transmission mains and on-site improvements
to separate the recycled water system from the potable water system. The systems must be
adequately identified so that future modifications of the potable or reclaimed water systems do
not compromise the integrity of either system. All new development in areas that may be served
with reclaimed water will be dual plumbed by the developers.
Pipeline Routine and Areas Served.
Exhibit B is a preliminary routing of pipelines that can serve as the backbone of the City's
nonpotable water distribution system. The pipe sizes are initial estimates that will be modified
as the details of system operation are defined during initial phase of design. Exhibit C shows
the piping and equipment schedule for the project.
Total Project Estimated Cost
The estimated cost to design and construct the distribution system shown on exhibit B is
$8,850,000.
This estimate does not include the costs associated with the mitigation plan which has not been
completed. Nor does it contain the costs associated with the modifications of the users on-site
facilities that will be necessary to insure separation of the potable and nonpotable water systems.
Phased Project Cost
The current CIP includes a two phased version of the Water Reuse Project at an estimated total
cost of $9,200,000. The first phase will build common facilities at the Water Reclamation
Facility and the branches to serve the Laguna Lake area, and the downtown and Cal Poly at a
cost of$6,700,000. The second phase will cost an additional $2,500,000 to serve the Margarita
area and Sinsheimer Park. The difference in costs include the cost of a second design team's
review of the initial design efforts and modification of the initial design to accommodate changed
conditions before they can proceed with the preparation of plans and specifications. The
difference also reflects inflationary costs for a two year delay in construction.
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Council Agenda Report - Water Reuse Implementation Plan
Page 8
Proposed Project Schedule
Winter 1996/1997 complete Environmental Review.
Spring 1997, award design contract.
Spring 1998, award construction contract.
Summer 1999, deliver water.
Mitigation implementation schedule
The mitigation plan could be implemented at the start of the project or could be implemented as
the increased use of recycled water increases the impacts. Constructing the mitigation measures
at one time as the project is being built, would allow the cost of mitigation measures to be
financed with the SRF low interest loan, would allow the positive impacts of the mitigation
measures to improve the quality of the creek, and would be a statement to the environmental
community that the environmental concerns of this project are given first priority. Phased
construction of the impacts would allow the construction costs to be paid from the sale of water
on a pay as you go basis, would provide mitigation of impacts as they become real, would
maintain the current health of the creek, and would not mask any adverse activities that others
may take regarding appropriation of water from the creek.
The U.S. Fish and Wildlife Service is finishing a biological opinion on the tidewater goby which
is the final step in the process of receiving comments on the draft EIR. The mitigation plan
cannot be completed until this biological opinion is received. At the time that the Final EIR is
brought to City Council for certification, staff will include a recommendation on the timing of
the mitigation plan.
Water use schedule - who? How much? and When?
The City needs to take the lead by installing the facilities to use reclaimed water at as many park
facilities as possible once reclaimed water is available. Projects to modify the irrigation systems
need to be processed concurrently with the construction of the Water Reuse Project. The
selection of sites to be modified first will be dependant upon the phasing options that may be
selected following the initial phase of design. The areas that should be converted to reclaimed
water first are those that have large areas and which will have high visibility. Facilities meeting
these criteria are:
Laguna Lake Park
Laguna Lake Golf Course
The golf course currently uses two wells on site to satisfy approximately 75% of its
irrigation needs. The remainder is potable water. In the future the course should be
watered with recycled water or a combination of recycled and well water.
Meadow Park
Funding for the modifications of these facilities will be included in the CIP submissions for the
FY 1997-99 Financial Plan.
Council Agenda Report - Water Reuse Implementation Plan
Page 9
Laguna Middle School should be the first school brought into the system as it is the largest
facility that uses potable water for irrigation.
Pmject Development Alternatives
Staff has looked at three alternative scenarios for developing the Water Reuse distribution system.
Each scenario provides the same facilities at the completion of all the construction. The first
phase of design for all three includes the selection of pipe line routes and pipe sizes, pump
locations and sizes, and the locations and sizes of storage facilities for the entire system. The
alternatives address phasing and financing strategies.
Current Project - 2 Phases. The current CIP calls for the project to be built in two phases. The
details of the phasing will be defined during the initial phase of design. Based on existing uses,
the first phase will most likely include a branch line to the Laguna Lake area and another through
the City to Cal Poly. The second phase would provide the pipeline to serve the Margarita area
and out to Edna and Sinsheimer Parks. The second phase would be built in time to serve
development within that area..
Both phases could be financed with a State Revolving Fund low interest loan that defined two
projects within a single commitment. The second phase would most likely require conventional
financing. Additional costs for phasing could include the cost for a second design team to review
the initial design and make modifications to reflect changed conditions before completing the
detailed plans and specifications, and the inflationary costs of labor and materials.
Single Project Alternative. A single phase project could take advantage of a State Revolving
Fund loan for the entire cost of the project. The entire system could be installed at this time
providing service to all of the current potential users that are located at the ends of the branch
lines (Laguna Lake Park,Laguna Middle School, Sinsheimer Park,Edna Park, and French Park).
Pay as You Go Alternative. The third alternative would link the construction of the reclaimed
water distribution system to development. The Laguna Branch and the Margarita Branch would
be constructed as the development that is envisioned in this area takes place. The existing
potential users that are at the end of the proposed distribution systems would not receive service
until the lines had been constructed to serve development along the route. Selecting this option .
would not preclude a decision at a later date to speed up the installation of the distribution
system in response to another significant drought. However, it is likely that such a project would
require conventional financing.
Recommended Alternative. Staff feels that the single phase project may have significant
advantages by funding the entire project with a State Revolving Fund low interest loan and in
providing service to present customers located at the ends of the distribution system. A full
Council Agenda Report - Water Reuse Implementation Plan
Page 10
evaluation of these advantages cannot be made until the State Water Resources Control Board
accepts a loan application which will be submitted as soon as the EIR is certified, and until the
initial design is completed that will review the phasing options. Staff recommends that the
project proceed with the thought that a selection between the Single Phase and Two Phase
alternatives will be made based on the analysis prepared during the initial phase of design.
Actions Necessary to continue with project
Certify E1R The U.S. Fish and Wildlife Service is completing their review of the impacts on
the tidewater goby. Upon receipt of their Biological Opinion, it will take 30 to 60 days to bring
a Final EIR to the City Council for certification. It is anticipated that the EIR will be brought
to the City Council in early January.
Obtain SWRCB Permit. As soon as the Final EIR is drafted, staff will forward a request to the
State Water Resource Control Board asking that a hearing on our request for permits be
scheduled. The application for this permit has been accepted by the Board and a final decision
is awaiting their review of the project EIR.
RFP for Feasibility and Design Services. An RFP for design services will be prepared so that
it can be distributed shortly after the City Council certifies the EIR. Completion of the
agreement for design services will await the issuance of permits by the SWRCB.
SRF Financing Application. An application for a State Revolving Fund loan will be submitted
upon Certification of the EIR.
Award Construction Contract Upon completion of the above activities a construction contract
should be ready for award by the spring of 1998. Construction would take approximately a year
allowing water to be delivered in 1999.
ATTACERMI OPTS
Exhibits
A. Draft Ordinance for Mandatory Use of Reclaimed Water.
B. Map of Water Reuse Project.
C. Preliminary design schedule showing pipe sizing and other distribution components along
with associated cost estimates.
D. DHS Permitted Uses of Reclaimed Water.
S:\cai�Wrmxw
ORDINANCE NO. (1996 SERIES)
MANDATORY USE OF RECLAEKED WATER
WHEREAS, Section 2 of Article X of the California Constitution declares that the waste
or unreasonable use or unreasonable method of use of water is to be prevented, and
WHEREAS, Section 13550 of the California Water Code declares that the use of potable
domestic water for nonpotable uses is a waste or an unreasonable use of the water within the
meaning of Section 2 of Article X of the California Constitution if recycled water is available,
and
WHEREAS, The City of San Luis Obispo has completed a Water Reuse Project to
provide reclaimed water that is suitable for many uses.
BE IT ORDAINED by the City Council of the City of San Luis Obispo as follows:
SECTION 1. When in the judgement of the City, reclaimed water service can be feasibly
provided to a particular parcel for particular uses, the Utilities Director shall require the use of
reclaimed water in lieu of potable water for those uses. As used herein, the term "feasible"
means reclaimed water is available for delivery to the property in compliance with all applicable
federal, state, and local laws, ordinances and regulations and such reclaimed water can be
delivered to the property at an overall cost to the user which does not exceed the overall cost of
potable water service.
SECTION 2. A synopsis of this ordinance, approved by the City Attorney, together with
the names of the Council Member voting for and against, shall be published at least five days
prior to its final passage, in the Telegram-Tribune, a newspaper published and circulated in this
City. This ordinance shall go into effect at the expiration of thirty (30) days after its final
passage.
INTRODUCED AND PASSED TO PRINT by the Council of the City of San Luis Obispo
at a meeting held on the day of on motion of
seconded by and on
the following roll call vote:
AYES:
NOES:
ABSENT:
ATTEST:
City Clerk Mayor Allen K. Settle
APPROVED AS TO FORM:
City Attorney
Exhibit A
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WATER REUSE PROJECT
COST ESTIMATE
PHASED CONSTRUCTION
Laguna Downtown Common SUB Margarita TOTAL
CaIftly TOTAL as
Item Unit Price PHASE I PHASE Il
ANT[PIFS:
Pipeline(Linear Feet)
20'PVC $132 /LF 3,000 3,000 3,000
16'PVC $112 /LF 2,000 2,000 2,000
12'PVC $97 /LF 10,300 10.300 10,300
10'PVC $77 /LF 4,000 4,000 13,200 17,200
8'PVC $67 /LF 8,200 8,100 16,300 16,300
6'PVC $57 /LF 0 5,200 5,200
4'PVC $47 /LF 5,000 5,000 3,000 8,000
8'UNOCAL line $5 /1.F 18,000 18,000 18,000
Paving $250 /Ton 275 375 75 725 325 1,050
Baring under Highway $150 /LF 150 150 100 250
COSTS:
Piped Cost $1,302,015 $1,784,805 $702,625 $3,789,445 $2,018,785 $5,494,500
Storage-Ponds $300,000 300,000 $300,000 300,000
Storage-Reservoir rehab $450,000 450,000 $450,000 450,000
Pump Stations 5550,000 550,000 $550,000 550,000
C12 Improvements $60,000 60,000 560,000 60,000
ElectricaVInstr+•ntent $91,500 91,500 $91,500 91,500
Sitework $30,500 30,500 $30,500 30,500
Subtotal $1,302,015 $1,784,805 $2,184,625 $5,271,445 $2,018,785 7,290,230
Contingency 7% $91,141 $124,936 $152,924 $369,001 $141,315 510,316
Design Eogr $100,000 $175,000 $425,000 $700,000 $170,000 870,000
Constr.Engr&Admin. 7% $91,141 $124,936 $152,924 $369,001 $141,315 510,316
KTOTAL $1,584,297 $2,209,678 $2.915,473 $6,709,447 $2,471.415 9,180,862
ANNUAL COSTS
SRF Debt Service 4% YR $116,575 $162,592 $214,526 $493,693 $181,851. $675,544
20 Yr Bond Debt Service 8% YR $161,364 $225,061 5296,947 5683,372 $251,719 5935,091
30 Yr Bond Debt Service 8% YR $140,729 $196,280 $258,974 $595,983 $219,529 $915,512
&M
Stag $100,000
Power $25,000
Chemicals $10,000
Materials $10,000
O&M Subtotal 543,277 $50,450 $51,273 $145,000
Annual Total-SRF $223,879 $287,682 $308,983 $920,544
Annual Total-20 yr bond $293,267 $378,828 $407,996 $1,080,091
Annual Total-30 yr bond $261,299 $336,835 $362,378 $960,512
1.A94ED WATER CO
Reclaimed Water Use AC-F 368 429 436 1233
Coat with SRF loan $/AC- $665
Cost with 20 yr loan I $1AC-1 $876
Exhibit C
Suitable Uses of Reclaimed Water
Treatment Level
Disinfected %Dkirdacted, Disinfected Disinfected Undisinfacted
UseTertiary secondary Secondary Secondary
Reclaims
2.2 23 Reclaimed
we
ter
Reclaimed Reclaimed Water
Wtar W. '
......... Water.
lrr7pfidn cot
Food crops where reclaimed water contacts the edible portion of the crop.
This Includes all edible root crops Allowed Allowed Not allowed Not allowed Not allowed
Parke and playgrounds Allowed 0 w Not allowed Not allowed Not allowed
School yards Allowed Not allowed Not allowed Not allowed
Residential Landscaping Allowed Not allowed Not allowed Not allowed
Unrestricted access golf courses Allowed AllowedNot allowed Not allowed Not allowed
Any other irrigation use not prohibited by other provisions of the California Allowed ��Allowed Not allowed Not allowed Not allowed
Code of Regulations %A 021,
Food crops where edible portion is produced above ground and not Allowed Y�;Wqwed',j Not allowed Not allowed
Allowed
contacted by reclaimed water
Cemeteries AllowedV
V. Aflowed Allowed Allowed Not allowed
.S
mm
Freeway landscaping AllowedAllowed Allowed Not allowed
Restricted access golf courses Allowed
,.Lo)MdV Allowed Allowed Not allowed
Ornamental nursery stock and sod farms Allowed Z&L4ndn Allowed Allowed Not allowed
Pasture for milk animals Allowed yFffikwe,dM Allowed Allowed Not allowed
Any nonedible vegetation where access is controlled to prevent use as If it Allowed
'%%. IlowW Allowed Allowed Not allowed
were a park,playground or school yard
Orchards where reclaimed water does not contact edible portion of crop Allowed '&NR� Allowed Allowed Allowed
re
Vineyards whereclaimed water does not contact edible portion of crop Allowed Allowed Allowed Allowed
Non food-bearing trees-Christmas trees until 14 days before public access Allowed ,,,A!IoWe d Allowed Allowed Allowed
Fodder and fiber crops and pasture for animals not producing milk Allowed Allowed Allowed Allowed
Seed crops not eaten by humans Allowed Allowed Allowed Allowed
Food crops that must undergo commercial pathogen-destroying processing -...M lowed Allowed Allowed Allowed
before consumption by humans
Ornamental nursery stock and sod farms until 14 days before harvest Allowed0,A
,Ik!_WeMj Allowed I Allowed Allowed
S upply ftr impoumiumft AMMI-M
Nonrestricted recreational impoundments Allowed i;!Aqt-t1"A;j Not allowed I Not allowed Not allowed
Restricted recreational impoundments and fish hatcheries Allowed d Not allowed Not allowed
g'j I Allowed
Landscape impoundments without decorative fountains Allowedr'Allowed "" Allowee
N1 d Not allowed
Allowed
Supply for cooling and air coriddardrig.
Industrial or commercial cooling or air conditioning with cooling tower,
"'A
evaporative condenser,or spraying that creates a mist Allowed t allow_edj Not allowed Not allowed Not allowed
Industrial or commercial cooling or air conditioning without cooling tower, Allowed �_4AIIowedi>, Allowed Allowed Not allowed
evaporative condenser,or spraying that creates a mist '
00wr uses:
Flushing toilets and urinals Allowed
Not allowed Not allowed Not allowed
Priming drain traps Allowed 'j, Not allowed Not allowed Not allowed
Industrial process water that may contact workers Allowed ;.:��A! Not allowed Not allowed Not allowed
Structural fire fighting Allowed �.,Wlowe&,�N. Not allowed Not allowed Not allowed
Decorative fountains Allowed Not allowed
Not allowed Not allowed
Commercial laundries Allowed Howe Not allowed Not allowed Not allowed
0
0
0
0
0 W
e
.d
d
d
d
d
Consolidation of backfill material around potable water pipes Allowed -:7AIIdWed'W%' Not allowed Not allowed Not allowed
Artificial snow making for commercial outdoors uses Allowed we Not allowed Not allowed Not allowed
tilowed
—50
Industrial boiler feed Allowed -Z!A110 -e'd Not allowed
RwP Allowed Allowed
Nonstructural fire fighting Allowed AlloWed',z� Allowed Allowed Not allowed
we
Backfill consolidation around nonpotable piping Allowed ''-INNVM47 Allowed Allowed Not allowed
1. 411. —
Soll compaction Allowed 9�'Allqitej:'
Mixing concrete Wow_ Allowed Allowed Not allowed
Allowed Allowed Allowed Not allowed
�Iow
'i
Dust control on roads and streets Allowed !%_.' Allovredxtia
Allowed Allowed Not allowed
Cleaning roads,sidewalks and outdoor work areas Allowed '-;-.Allqwe-o;r
Allowed Allowed Not allowed
Flushing sanitary sewers Allowed Allowed Allowed Allowed
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