John W Flannagan Reservoir, VA
Daily instantaneous storage
67,321.2 acre-ft· US Army Corps of Engineers / CWMS
State water view
Local water conditions, public water systems and state planning records. Check the sources and reporting dates for each topic.
Open a system for its available testing and source records. A system’s service area can cross city and county boundaries.
Water levels and storage
Explore 2 official reservoir reporting records. Choose a location for dated readings and history. Dates, methods and agency coverage vary. Some agencies monitor the same reservoir; these records are not a count of unique lakes and must not be summed. Storage does not establish drinking-water safety or your home’s water supply.
Daily instantaneous storage
67,321.2 acre-ft· US Army Corps of Engineers / CWMS
Daily instantaneous storage
3,278.2 acre-ft· US Army Corps of Engineers / CWMS
River flow
Explore daily flow readings and history at 187 named USGS gauges in Virginia. These are individual monitoring sites, not a complete inventory or a river-wide water-health score. Check the gauge location, date and source notes. Flow does not establish drinking-water safety or supply to a home.
Daily mean flow at the named gauge
9.83 ft³/s· US Geological Survey
Daily mean flow at the named gauge
5.43 ft³/s· US Geological Survey
Daily mean flow at the named gauge
3.56 ft³/s· US Geological Survey
Daily mean flow at the named gauge
157 ft³/s· US Geological Survey
Daily mean flow at the named gauge
1,320 ft³/s· US Geological Survey
Daily mean flow at the named gauge
897 ft³/s· US Geological Survey
We have not compiled an area-wide summary of water-quality tests and assessments here yet.Try the nearby place pages for more information. A missing result does not mean the water is good or bad.
Observed withdrawals
Annual reported facility withdrawals in million gallons. Withdrawal is not consumption, and the reporting threshold means this is not complete water use.
| Year | Reported withdrawal | Reporting rows |
|---|---|---|
| 2015 | 2,407,730.987 | 1691 |
| 2016 | 2,409,991.66 | 1685 |
| 2017 | 2,300,549.824 | 1259 |
| 2018 | 2,168,948.047 | 1377 |
| 2019 | 2,083,187.014 | 1285 |
| 2020 | 2,067,118.444 | 1284 |
| 2021 | 2,058,642.177 | 1184 |
| 2022 | 2,076,192.612 | 1187 |
| 2023 | 1,915,404.575 | 1193 |
| 2024 | 1,978,894.878 | 1178 |
| 2025 | 1,973,147.891 | 1260 |
Coverage: More than 10,000 gallons/day for any purpose, or 1 million gallons/month for crop irrigation. GW Frac is a recent-five-year facility fraction; it is not used to infer annual groundwater/surface volumes.
Virginia DEQ withdrawal sourceVirginia water planning
State planning records and permits describe supply and management decisions. They are separate from measurements of current conditions.
These details come from official state plans and reports. A planning estimate describes what may be needed or supplied, not what was measured today.
These details come from official state plans and reports. A planning estimate describes what may be needed or supplied, not what was measured today.
These details come from official state plans and reports. A planning estimate describes what may be needed or supplied, not what was measured today.
These details come from official state plans and reports. A planning estimate describes what may be needed or supplied, not what was measured today.
Water planning regions
Middle James regional planning contextRegional planning areaHampton Roads regional planning contextRegional planning areaRoanoke regional planning contextRegional planning areaNorthern Virginia regional planning contextRegional planning areaWe show a facility only when we can identify it in official public records. Water withdrawn is not the same as water consumed; some may return to a river or aquifer.
Places to explore
Some places have local conditions and testing records; others have state planning information. More data does not mean better or worse water.
RichmondState planning information · surface water dependentVirginia BeachState planning information · coastal · regional supplyRoanokeState planning information · smaller cityArlingtonState planning information · major metro · regional supply