Water restrictions in Herndon, VA β also called the watering schedule, outdoor irrigation rules, or drought ordinance β set which days and hours you can run sprinklers or irrigation.
Herndon is served by Fairfax Water, which implements regional conservation measures during droughts. Virginia DEQ issues drought advisories and the Governor may declare drought emergencies. During severe stages, outdoor watering, car washing, and non-essential water uses are restricted. Violations of mandatory restrictions can incur fines.
Potable water service for the Town of Herndon is provided by Fairfax Water, the largest water utility in Virginia and one of the largest on the East Coast. Fairfax Water draws primarily from the Potomac River and the Occoquan Reservoir. Drought and water conservation response in the region is coordinated among Fairfax Water, the Washington Metropolitan Council of Governments (MWCOG), the Interstate Commission on the Potomac River Basin (ICPRB), and Virginia DEQ under the Commonwealth Drought Assessment and Response Plan.
Water restrictions in Herndon progress through defined stages tied to reservoir levels, streamflows, and drought indicators. Under a Drought Watch (voluntary), residents are encouraged to water lawns only 1 to 2 times per week before 10 AM or after 6 PM, fix leaks promptly, and defer car washing and pressure washing. Under a Drought Warning, voluntary measures become more urgent and some outdoor uses may be restricted. Under a Drought Emergency declared by the Governor under VA Code Β§44-146.17, mandatory restrictions are imposed, which may include: no lawn or landscape irrigation; no washing of vehicles, buildings, or paved surfaces except as necessary for health or safety; no filling of swimming pools; and restrictions on restaurant water service. Fairfax Water may also impose excess-use rate surcharges.
Even outside drought, residents are encouraged to use WaterSense-labeled fixtures, drought-tolerant plantings, and efficient irrigation controllers. New irrigation systems require backflow prevention devices under Virginia plumbing code. Violations of mandatory drought restrictions can be cited by the town or county, with fines typically starting at $50 to $100 and escalating for repeat offenses. Private wells are outside utility jurisdiction but may be affected by low groundwater during severe drought.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Fairfax County.
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