Illicit discharges prohibited—Exceptions.
Las Vegas Municipal Code § 14.18.070
in effect14.18.070 - Illicit discharges prohibited—Exceptions.
(A) It is unlawful for any person to discharge or cause to be discharged into the MS4 any non-stormwater, unless the discharge has been authorized by NDEP and approved by the Director, or is one of the following:
(1) Water line flushing; discharges from other potable water sources; landscape irrigation or lawn watering; diverted stream flows; rising groundwater; uncontaminated groundwater infiltration; discharges from foundation and footing drains (not including active groundwater dewatering systems for which a separate State permit is required); water from crawl space pumps; air conditioning and swamp cooler condensation; non-commercial washing of vehicles; springs; flows from natural riparian habitats or wetlands; discharges or flows from firefighting activities; runoff from the washing of streets, if no detergents or chemicals are used; or any other water source not containing pollutants, provided that NDEP has not determined the source to be a substantial contributors of pollutants.
(2) Dechlorinated swimming pool water (less than 0.1 mg/L chlorine), provided that a suitable connection to the sanitary sewer is not available, as determined by the Director, and permission to discharge swimming pool water into the MS4 has first been obtained from the Director.
(3) Discharges specified by NDEP as being necessary to protect public health and safety.
(4) Dye testing, provided that notification, either verbal or written, is given to the Director prior to the time of the testing.
(B) It is unlawful for any person to discharge or cause to be discharged into any surface waters within the City any pollutant, without first obtaining from NDEP an NPDES permit authorizing the discharge, when such a permit is required by the Act.
(C) It is unlawful for any person to discharge or cause to be discharged into the MS4 any non-stormwater that would cause a violation of the City's NPDES stormwater permit.
(Ord. No. 6583, § 6, 6-7-17; Ord. 6006 § 8, 2008)
Source: City of Las Vegas, Municipal Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/nv/las_vegas/codes/code_of_ordinances?nodeId=TIT14PUSE_CH14.18STSTMA_14.18.070ILDIPRXCFetched: 10/28/2026