Environmental Rules in Nevada (2026)

Nevada Division of Environmental Protection administers federal NPDES stormwater permits statewide under NRS 445A.300…

Clark County bans dumping anything but stormwater into the storm sewer system across unincorporated areas, including…

Henderson bans discharging anything but rain into its storm drains, and requires NPDES permit coverage and BMPs for…

Las Vegas bans dumping anything but clean stormwater into its storm drains, with the Director of Public Works enforcing…

North Las Vegas bans discharging anything but stormwater into the City's storm-drain system under Municipal Code §…

Washoe County's Nuisance Code makes it a public nuisance to discharge pollutants into receiving waters or into the…

In unincorporated Elko County, Nevada, § 5-4-7(C) requires a developer to design a development so it is protected from…

A Lyon County mass grading permit under §§ 15.240.01 and 15.240.04 covers site grading for non-residential development…

Reno bans dumping refuse, waste, or any pollutant into streets, storm sewer inlets, catch basins, or drainage…

Sparks bars anyone from letting pollutants reach its storm sewer system and requires property owners and businesses to…

Nevada bans discharging sediment-laden stormwater or any pollutant into state waters without an NDEP permit under NRS…

Construction sites and industrial facilities in unincorporated Clark County must submit written Best Management…

In unincorporated Elko County, Nevada, § 5-4-6 requires cleared slopes, cuts, fills and other erosion-prone areas in a…

Henderson requires a grading permit from Building & Fire Safety for most earthwork, with a narrow exemption for…

The City requires a development permit from the Director of Public Works before any grading, filling, or construction…

Lyon County's mass grading permit process, under Lyon County Code section 15.240.04, requires grading plans to identify…

North Las Vegas requires a grading permit from the Department of Public Works before any land is cleared, graded, or…

Reno requires a grading permit before excavating, filling, or altering land grade, per Municipal Code § 18.04.302; cuts…

Sparks requires best management practices on any construction site disturbing one acre or more, or less than an acre in…

In unincorporated Washoe County, altering land so it causes or contributes to erosion, subsidence, or surface water…

Sparks reviews every floodplain development permit application for flood-related erosion hazard under Municipal Code…

Nevada participates in the National Flood Insurance Program through the Division of Water Resources under NRS Chapter…

Reno has significant Truckee River flood risk with major floods in 1950, 1955, 1986, 1997, and 2017. New construction…

Sparks enforces FEMA floodplain rules under Municipal Code Chapter 15.11. Building in a special flood hazard area needs…

In unincorporated Elko County, Nevada, no construction or development can begin inside an area of special flood hazard…

Any construction or development in a Las Vegas special flood hazard area needs a development permit from the Director…

Development within a floodplain in unincorporated Clark County must follow the Regional Flood Control District's…

Henderson requires new construction and substantial improvements on flood-hazard building sites to be elevated or…

Unincorporated Lyon County requires a floodplain development permit from the Floodplain Administrator before any…

North Las Vegas zones flood-prone land into a Floodway Overlay District (F-1) and a Floodplain Overlay District (F-2)…

New construction and additions in Washoe County's special flood hazard areas must be built to a certified elevation…

Reno has no citywide idling ban. Its only idling rule is a truck stop zoning standard requiring compliance with Washoe…

In unincorporated Elko County, Nevada, new construction and substantial improvement in a special flood hazard area must…

Henderson requires new construction and substantial improvements on flood-hazard sites to be anchored against flotation…

New and substantially improved homes in Las Vegas flood hazard areas must have the lowest floor built above base flood…

Unincorporated Lyon County requires new construction and substantially improved structures in a special flood hazard…

Reno requires new construction and substantial improvements in mapped flood hazard areas to elevate the lowest floor…

In Sparks, residential lowest floors including basements must sit at least one foot above the base flood elevation in…

Washoe County requires a FEMA Elevation Certificate for construction in special flood hazard areas under Washoe County…