Carson City partnered with the Carson Water Subconservancy District (CWSD) to complete Area Drainage Master Plans for the North and West areas of Carson City – available for viewing below.

In 2022, Area Drainage Master Plans for the East and Southeast areas of Carson City will be completed.

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For more information, call our Stormwater Hotline at 775-887-2305.

The Storm water Utility Fund is used to construct, operate and maintain the City’s flood protection, storm water infrastructure and protect water quality.

Why is it important to invest in the storm water system? There are three primary reasons why capital investments are necessary to manage storm water today and into the coming years.

1. Carson City’s population has increased since the original storm water systems were installed, resulting in new houses, streets, parking lots and other structures to serve a larger population. These hard surfaces repel rainwater, resulting in an increase in the amount of storm water that must be managed.
2. New regulations developed to address water quality and pollutants moving through storm water into rivers and streams require that Carson City put in place structures such as filters, water quality ponds and wetlands to reduce or remove pollutants prior to their release into water bodies and improve water quality.
3. Much of the infrastructure in Carson City was installed many years ago and is in need of repair or replacement. In addition, older systems often require more frequent maintenance.

Stormwater Utility Rates

On December 3, 2020, the Carson City Board of Supervisors accepted and approved the utility rate study to review and update water, sewer, and stormwater rates for Carson City. The approved stormwater rates became effective on July 1, 2021 and are as follows:

• Single Family Residential $ 6.29 – $ 8.79
• Group Impervious Area Properties $ 30.00 – $60.00

Single Family Residential rates vary by structure square footage. Group Impervious Area Properties rates vary by acreage and include all Multi-Family, Public, Manufacturing, and Commercial Properties. To find out your specific rate, contact us at 775-887-2355. To learn more about the rate study, visit www.carson.org/utilitybilling.

An illicit discharge is anything entering a storm drain system discharging to surface water that is not composed entirely of storm water. Oftentimes, illicit discharges are the result of illegal activity. For example, dumping materials into storm drain or connecting wasterwater pipe into the storm drain system are illicit discharges. The best way to prevent illicit discharges is to prevent material from entering the storm drain system. This is done through educating our citizens, enforcing prohibitions on illicit discharges/dumping, and controlling spills.

An illicit discharge does not occur just during a rainstorm. Illicit discharges can also occur during dry weather when pollutants are carried along with allowable flow such as irrigation water. Sprinklers can wash pesticides, fertilizers and weed killers from our gardens and lawns. Detergents, oils and grease from washing the car can contribute to dry-weather discharges.

Illicit discharges, especially dry-weather flows discharging from storm drainage systems, can contribute significant pollutant loading to receiving water such as the Carson River and Clear Creek. These dry-weather flows originate from many sources. The most obvious sources include sanitary wastewater or industrial and commercial pollutant discharges into storm drains and vehicle maintenance activities.

An illicit discharge is anything entering a storm drain system discharging to surface water that is not composed entirely of storm water. Oftentimes, illicit discharges are the result of illegal activity. For example, dumping materials into storm drain or connecting wasterwater pipe into the storm drain system are illicit discharges. The best way to prevent illicit discharges is to prevent material from entering the storm drain system. This is done through educating our citizens, enforcing prohibitions on illicit discharges/dumping, and controlling spills.

An illicit discharge does not occur just during a rainstorm. Illicit discharges can also occur during dry weather when pollutants are carried along with allowable flow such as irrigation water. Sprinklers can wash pesticides, fertilizers and weed killers from our gardens and lawns. Detergents, oils and grease from washing the car can contribute to dry-weather discharges.

Illicit discharges, especially dry-weather flows discharging from storm drainage systems, can contribute significant pollutant loading to receiving water such as the Carson River and Clear Creek. These dry-weather flows originate from many sources. The most obvious sources include sanitary wastewater or industrial and commercial pollutant discharges into storm drains and vehicle maintenance activities.