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CITY OF CARMEL
STORMWATER POLLUTION PREVENTION PLAN (SWPPP) REQUIREMENTS
SWPPP for Construction Sites:
1. 14 Digit Watershed Hydrologic Unit Code
2. Name of all receiving waters
If the discharge is to a municipal separate storm sewer, identify the ultimate receiving water
3. Estimate of peak discharge for post construction conditions (10-year)
4. Locations of specific points where stormwater discharge will leave the site.
5. Locations where stormwater may be directly discharged into groundwater, such as abandoned
wells or sinkholes
6. Soils map of the predominant soil types including:
a. Soil legend with descriptions of each soil type
b. Brief description of how the site has accommodated the existing soil limitations
7. Description of potential pollutant sources associated with the construction activities
8. Temporary and permanent stormwater quality measures:
a. Location
b. Dimensions
c. Detailed specifications
d. Construction details
e. Monitoring and maintenance guidelines
9. General construction sequence
Each plan should contain multiple stormwater pollution prevention measures. All measures will not be
installed at the same time. Various measures will be installed at different times throughout the
construction process. Some will be installed prior to land disturbance, and others may not be installed
until work at the site progresses to an area where they are necessary. Each proposed measure should be
identified in the sequence as to when it is to be installed in relation to the land disturbing activities.
10. Location of proposed soil stockpiles, borrow, and/or disposal areas
These areas shall be included as part of the plans whether they occur on or off site.
11. Temporary and Permanent surface stabilization methods appropriate for each season
Provide application rates for soil amendments and seed mixtures, as well as, the type and application rate
for mulch.
12. Erosion and sediment control specifications for individual building lots
13. Material handling, storage, and spill prevention plan
a. List of expected materials that may be present on the site during construction operations
b. Written description of how these materials will be handled to minimize the potential of entering
the storm sewer system
c. Procedures for the contractor to take if any spills occur during construction.
14. Contact information for the trained individual responsible for stormwater pollution prevention for
the project site
a. Name
b. Address
c. Telephone number
d. E-mail address
e. List of qualifications
15. Current revision date on all sheets
Revised 3/5/07
CITY OF CARMEL
STORMWATER POLLUTION PREVENTION PLAN (SWPPP) REQUIREMENTS
SWPPP for Post-Construction:
1. Description of potential pollutant sources associated with the proposed land use.
2. Post-construction stormwater quality measures:
a. Location
b. Dimensions
c. Sizing calculations
d. Detailed specifications
e. Construction details
3. Sequence describing stormwater quality measure implementation
Description of when the proposed post construction stormwater quality measures will be installed in
relation to the general construction sequence.
4. Stormwater quality measures to be implemented to prevent or minimize adverse impacts to stream
and riparian habitats
5. An operation and maintenance manual for all post-construction stormwater quality measures:
a. A brief description of what a water quality BMP is and does.
b. Contact information for the BMP owner
i. Name
ii. Address
iii. Telephone number
iv. E-mail address
c. A statement that the BMP owner is responsible for all maintenance and costs associated with the
BMPs
d. A right-of-entry statement allowing the City of Carmel to inspect and maintain the BMP as
necessary
e. A description of each BMP
f. Specific actions to be taken regarding routine maintenance, remedial maintenance, and
sediment/pollutant removal:
i. Sediment/pollutant removal procedures should be explained in both narrative and
graphical forms.
ii. Guidance on routine maintenance, such as mowing, litter removal, woody growth
removal, etc.
iii. Guidance on remedial maintenance, such as inlet replacement, outlet work, etc.
iv. A tabular schedule should be provided listing all maintenance activities and dates for
performing the these required activities
v. Who will actually be charged with maintaining the BMPs (maintenance staff, waste
disposal company, etc.)
g. Site drawings showing:
i. Locations of the BMPs
ii. Locations of the access easements to maintain the BMPs
iii. Locations of the points of discharge for stormwater treated by the BMPs
iv. Cross sections of BMP features
h. Requirements regarding the submittal of annual inspection reports to the City of Carmel
Engineering Department. The first report is due one year after construction is completed, with
subsequent reports due each year within the same month of the initial report. If there are any
deficiencies found during the inspection, these should be addressed. If the inspection report is
not received within the month it is due, if there are deficiencies which were not included in the
report, or if any deficiencies included in the report are not addressed in a timely manner, the
BMP owner faces enforcement action from the City.
Revised 3/5/07