tiffany eastman epa tribal nps program coordinatornps & npdes permit yif the construction site...
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Tiffany EastmanEPA Region 9 Tribal NPS Program Coordinator
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What is the difference between Point Source and Nonpoint SourcePoint Source and Nonpoint Source
Pollution?
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What is Point Source (PS)?
Distinct conveyances such as pipes d di hor man‐made ditches
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What is Nonpoint Source (NPS)?
Occurs when rainfall, snowmelt, or Occurs when rainfall, snowmelt, or irrigation runs over land or through the ground, picks up pollutants, and transports g ou d, p c s up po uta ts, a d t a spo tsthem into surface waters or ground water.
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If the project site is:
More than 1 acre, polluted runoff is called Point Source (PS)
Less than 1 acre, polluted runoff is ll d N i S (NPS)called Nonpoint Source (NPS)
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Photo courtesy of USDA NRCS
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Point Source & NPDES Permit
If the construction site is more than one acre, an NPDES permit is requiredacre, an NPDES permit is required
The Best Management Practices (BMPs) to The Best Management Practices (BMPs) to be implemented to address polluted runoff are identified within the NPDES permit or are identified within the NPDES permit or the Stormwater Pollution Prevention Plan (SWPPP)(SWPPP)
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C li A iCompliance Assistance
Available to help the regulated community understand and meet its obligations pursuant to environmental regulations (such as NPDES permit)regulations (such as NPDES permit)
EPA Region 9 Compliance Assistance CoordinatorEPA Region 9 Compliance Assistance CoordinatorHillary Hecht415‐947‐4266415 947 4266
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NPS & NPDES PermitIf the construction site is less than one acre, an NPDES permit is not required
Water quality impacts by polluted runoff are similar to point sources of pollution and similar to point sources of pollution and project sites more than 1 acre
Best Management Practices (BMPs) to be implemented are the same as for PS
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NPS Grant Program for TribesClean Water Act Section 319 – Provides funds for eligible tribes to develop and implement polluted runoff control programsrunoff control programs
Eligible activities included implementing BMPs that address stormwater runoff
Funding is available on an annual basis at the national level through EPA to all eligible tribes
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Washoe Tribe of NV & CA to decrease runoff and
Hopland Band of Pomo Indians to d di i b decrease runoff and
sedimentation
14
decrease sedimentation to nearby creek
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Watershed‐Based PlanEPA encourages tribes to address polluted runoff at a watershed level – thinking outside of the box approach
CWA Section 319 funds can be used for the development and implementation of a Watersheddevelopment and implementation of a Watershed‐Based Plan
Addresses both PS and NPS
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Any Questions?
Tiffany EastmanEPA Region 9 Tribal NPS Program Coordinatorg g
Audrey L. [email protected]
415‐972‐34314 5 97 343