Nevada Stormwater-General regulations & environmental compliance analysis

Nevada Stormwater-General: What you need to know

Governing Law and Regulations

National pollutant discharge elimination system (NPDES) permit program: 40 CFR 122 and regulations at Nevada Administrative Code (NAC) 445A.266 to 445A.272.

Regulatory Agency
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The Nevada Division of Environmental Protection (NDEP) Bureau of Water Pollution Control (BWPC)

U.S. Environmental Protection Agency (EPA) Region 9

See ADDRESSES & CONTACTS for addresses and telephone numbers.

Comparison: State vs. Federal

· Rules. Nevada is authorized to administer the federal National Pollutant Discharge Elimination System (NPDES) program for stormwater discharges. The state issues individual permits and general permits for discharges associated with industrial facilities, construction activities, mining activities, and municipal separate storm sewer systems (MS4s).

See the national section STORMWATER—GENERAL for more information on the federal program, and the state sections STORMWATER—INDUSTRIAL FACILITIES, STORMWATER—CONSTRUCTION ACTIVITIES and STORMWATER—MUNICIPALITIES for information on the state requirements for these specific types of stormwater discharges.

· Administration and enforcement. NDEP’s BWPC issues surface water discharge permits for the state.

State Requirements


The following are the four types of stormwater discharges for which Nevada currently has state-specific applications and grants general permits. The following categories are regulated discharges covered by the identified general permit:

  • Construction activities. Permits (NVR1000000) are required for construction projects that disturb more than 1 acre, not necessarily contiguous. If NDEP determines that a project less than 1 acre in size will impact receiving waters or their tributaries ...

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