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PERMITTING/COMPLIANCE
Federal, state, local regulation; regional codes; and local ordinances prohibit any discharge, other than storm water,
into the storm drain system.
The property owner is responsible to know and follow all state, regional, and local requirements and guidelines,
including obtaining proper permits, for all work to be completed. Work must comply with all applicable conditions,
regulations, and requirements.
BE RAIN READY
Check the weather prior to performing any outdoor activity. Avoid work in the rain.
Be prepared to cover exposed surfaces prior to any potential rain event. Have a plan and supplies on-site.
Routine, periodic and storm event triggered inspections are needed to:
Identify non-storm water discharges
Determine BMP effectiveness
Identify necessary repairs or BMP changes.
Keep gutters clear for flow. Large scale construction projects must have a Storm Water Pollution Prevention
Plan (SWPPP).
SPILLS (INCLUDING MUD, DIRT, SILT)
Create a plan for addressing hazardous and non-hazardous spills. Make sure people on your site know how to respond.
Keep spill clean-up materials on-site (absorbents, rags, etc.).
Report spills immediately.
Never hose down “dirty” pavement or surfaces. Clean up all spills and leaks using “dry” methods (with spill absorbents
or comparable materials such as sawdust, cat litter, and/or rags). Sweep areas daily.
srcity.org/polluti o n p r e v e n t i o n
STOP
Releasing polluta nts directly
into the storm dra in system
or a waterway viol ates
the City’s Storm Water
and Sanitary Sew er Use
Ordinances as wel l as State
and Federal Codes
Power Washer
Guidelines
Waste water from po wer w a sh ing w itho u t a n ap p ro ved
written variance, shall n ot b e d is cha rg e d to th e S to rm
Drain system.
Wastewater shall not be discharged into streets storm drains or other outside
drains unless a writ ten variance is obtained and all requirements met
Power Washing activities shall be in com pliance with the City of Santa Rosa s
Storm Water Ordinance C hapter 17 12 Additional enforcement inspection
and/or incident reso lution may be required by other City ordinances codes
departments and/or other regulatory authorities such as but not limited to
Regional Water Qua lity Control Board RWQC B and Califo rnia Fish and Wildlife
It is the responsib ility of the property owner operator to know and follow all
local and regional codes in cluding obtaining proper perm its for all w ork to be
completed.
It is your respons ibility to prevent soap dirt w ater and other materials from
entering into storm drains The purpose of storm drains are to carry rainw ater
away from develope d areas to prevent flooding Untreated waste water and the
pollutants it carries flow directly into our creeks and rivers where it can harm
aquatic life and impa ct our recreation and drinking water
For more information:
www.slocity.org/stormwater
Call 911 for Motor Oil,
Gas,
Grease, Diesel, or Unknown SpillsBest Management Practices to Prevent Pollution San Luis Obispo has two separate
drainage systems—the sanitary sewer system and the storm drain system. The storm drain system was
designed to prevent flooding by carrying excess rain water away from city streets out to local creeks, the San
Luis Obispo Creek, and Pacific Ocean. This rain water flows untreated into our local
waterways, which is why property owners and contractors are required to
implement Best Management Practices (BMPs) to prevent storm water pollution. BMPs are used to keep pollution away
from sidewalks, streets, and gutters because they connect to the storm drain and our creeks. Implementing
and maintaining BMPs are critical to protecting our local creeks and
wildlife.
Construction site
pollution control is more than managing sediment.anc
BMP MAINTENANCE All maintenance should be completed as soon
as possible AND before any predicted storm
event. At a minimum, perform routine weekly
inspections of all BMPs and daily
inspections
during rain events.
Perform the following BMP maintenance tasks regularly:Remove
collected sediment;Replace or repair worn or damaged
silt fence,fabric or fiber rolls,
gravel/sand bags, soil stabilization measutes, and structural
controls; and Other control maintenance as defined in
each BMP
fact sheet. See CASQA or Caltrans BMP
handbooks.HOUSEKEEPING / WASTE Cover and maintain dumpsters. Check
frequently for leaks. Never hose down a dumpster on
site.Never wash off tools or equipment
where it has potential to discharge
to a storm drain.Cover areas where
potential pollutants (grease,paints, and chemicals)
are stored. Keep these materials covered and labeled
in appropriate containers to prevent any contact with storm water.
Maintain a clean site and keep water, runoff,
and
run-on away from potential pollutants, including
bare soil.PAINT Adhere
to all City Power Washing requirements: www.slocity.org/
stormwater.NEVER clean or
rinse paint equipment into a street, gutter or
storm drain.AFTER thoroughly dry; dispose of used brushes, empty paint
cans (lids off), rags and drop cloths in the trash.
NOTE: Buildings painted
prior to
1972 will need to be tested for lead. INGRESS /
EGRESS Use drain rock for approaches to
reduce soil compaction and limit tracking of sediment
onto streets.Provide wheel wash areas, if needed,
and sweep
up all loose materials from trucks, trailers,
and transported equipment.Frequently clean streets
and sidewalks
to prevent
unauthorized discharges to surface waters and storm
drains.EROSION
CONTROL Schedule excavation and grading work for dry
weather only.Avoid over-application of water
for dust control.Control Site Perimeter: Delineate site
perimeter to control any sediment discharges from
the site and divert upstream run-on
around the property.Limit
land
disturbance. Protect areas where work is not
actively occurring.LANDSCAPING Cover and
berm stockpiled materials (mulch, topsoil,etc.). Secure cover
with sandbags.Avoid placing stockpiles in street,
sidewalk, or gutter.If necessary, a
permit may be required.Utilize non-floatable mulch
when possible.Refrain from applying landscape material 2 days prior
to
a forecasted rain event or during any rain
event.CONCRETE Secure bags of cement. Prevent
exposure of cement powder from wind,
rainfall and runoff, especially
near streets, gutters, and storm drains.Set-
up Washout Area.Only clean out
concrete mixers and equipment in approved designated
washout areas.
NEVER into driveways, streets, gutters, storm drains or drainage ditches.
Set up
and operate small mixers on tarps or heavy
drop cloths.Make BMP implementation a condition
of all prime and subcontract agreements. By doing
so, the chance of an inadvertent violation can
be prevented,
potentially saving thousands of dollars in
fines and project delays.Required BMPs
and pollution prevention measures when
performing any construction related activity:1.Conduct
daily site cleaning.2. Prepare
for spill response and containment.3. Educate workers about
BMPs.4. Implement erosion
control measures
for rain and
wind.
MATERIALS STORAGE
All building materials must be contained
and covered.
Materials must be stored on-site at all
times unless an encroachment permit has
been obtained.
PERIMETER CONTROLS
Utilize perimeter controls, such as, gravel
bags, silt fences, or straw wattles, to surround
the site to control run-on and run-off.
Avoid running over perimeter controls with
vehicles or heavy equipment.
Check and maintain site daily.
DUMPSTERS
Always securely cover dumpsters.
Areas around dumpsters should be swept daily.
Dumpsters must be stored on-site at all
times unless an encroachment permit has
been obtained.
PORT-A-POTTY
Secondary containment trays are REQUIRED
for all Port-a-Potties.
NEVER stage in street, gutter pan or over/
near storm drains.
Ser vice regularly.
CONCRETE TRUCKS /
PUMPERS
Pumpers must be surrounded by perimeter
controls.
Plastic sheets must be placed beneath
concrete pumpers at all times, and residual
materials must be cleaned up.
Washout areas must be used whenever
cleaning occurs.
TRACKING CONTROLS
All entrances and exits on the site must have
coarse gravel or steel shaker plates to limit
offsite sediment/material tracking.
WASHOUT AREA
The disposal of “wet” construction materials
should be handled in the washout area. This
includes paint, stucco and concrete.
Use a berm and/or plastic sheet to collect
and contain liquids and prevent run-off in
nearby areas.
Storm Water
Protections for
Construction
DIRT AND GRADING
Mounds of dirt or gravel should be stored
on site.
Mat erials should be covered with a secured
tarp each day and prior to rain.
Fabric, tarps, and/or visqueen must be available
and on-site to cover all exposed soil areas.
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EARTHMOVING EQUIPMENT
All staged earthmoving equipment should be
stored on-site.
Tracks and trails left by equipment leading to and
from the site should be cleaned up immediately.
Maintain spill kits. Ensure vehicle and equip-
ment leaks are cleaned immediately.
STORM DRAINS
It is illegal to wash out equipment, such as
paint brushes, in the street or dump any
materials into the storm drain or gutter.
Gutter pan must be kept clean and clear at
all times.
ONLY RAIN DOWN THE STORM DRAIN!
For more resources and information, contact Environmental Programs: 805-781-7425