Manassas water and sewer rates
Who supplies water to Manassas houses, what it costs, and how the sewer charge works.
City of Manassas Utilities
Residential Water Service, Rate Schedule RWS, effective July 1, 2026; billed monthly
| Use a month | Price per 1,000 gallons |
|---|---|
| Fixed charge | $14.84 a month |
| 0 to 5 thousand gallons | $4.75 |
| 5 to 12 thousand gallons | $5.04 |
| 12 to 14 thousand gallons | $5.14 |
| 14 to more | $7.97 |
- Source
- The city's water treatment plant is in Nokesville; water comes from Lake Manassas.
- Treatment
- The plant is permitted to produce 14 million gallons of water each day.
Sewer
Residential sewer, Rate Schedule RSS: a monthly customer charge plus a flow charge per 1,000 gallons of metered water. The city bill also has a separate line for UOSA treatment cost, which is NOT included in this total.
Other charges on the utility bill
- Stormwater utility fee (single-family detached home): $9.35 a month
Sources
- Residential water rate schedule RWS (FY27)
- Residential sewer rate schedule RSS (FY27)
- Stormwater rates (FY27)
- Stormwater utility fees ordinance
- Water treatment plant
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.