NPDES permit VA0004138 · Major NON-POTW · effective, expires 2028-08-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
Reports are due about 10 days after each monitoring period ends (the most common figure among VA permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 008 | pH | MINIMUM | report only | all year |
| 008 | pH | MAXIMUM | report only | all year |
| 008 | Solids, total suspended | MO AVG | report only | all year |
| 008 | Solids, total suspended | MAXIMUM | report only | all year |
| 008 | Flow, in conduit or thru treatment plant | MO AVG | <= .8 MGD | all year |
| 008 | Flow, in conduit or thru treatment plant | MAXIMUM | report only | all year |
| 504 | pH | MINIMUM | >= 6 SU | all year |
| 504 | pH | MAXIMUM | <= 9 SU | all year |
| 504 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 504 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 504 | Oil & Grease | MO AVG | <= 15 mg/L | all year |
| 504 | Oil & Grease | MAXIMUM | <= 20 mg/L | all year |
| 504 | Nitrogen, ammonia total [as N] | MO AVG | <= 9.6 mg/L | all year |
| 504 | Nitrogen, ammonia total [as N] | DAILY MX | <= 14 mg/L | all year |
| 504 | Cyanide, free [amenable to chlorination] | MO AVG | report only | all year |
| 504 | Cyanide, free [amenable to chlorination] | DAILY MX | report only | all year |
| 504 | Hardness, total [as CaCO3] | MO AVG | report only | all year |
| 504 | Hardness, total [as CaCO3] | DAILY MX | report only | all year |
| 504 | Chloride [as Cl] | MO AVG | <= 450 mg/L | all year |
| 504 | Chloride [as Cl] | DAILY MX | <= 820 mg/L | all year |
| 504 | Arsenic, total recoverable | MO AVG | <= 280 ug/L | all year |
| 504 | Arsenic, total recoverable | DAILY MX | <= 510 ug/L | all year |
| 504 | Selenium, total recoverable | MO AVG | <= 9.6 ug/L | all year |
| 504 | Selenium, total recoverable | DAILY MX | <= 18 ug/L | all year |
| 504 | Barium, total recoverable | MO AVG | report only | all year |
| 504 | Barium, total recoverable | DAILY MX | report only | all year |
| 504 | Beryllium, total [as Be] | MO AVG | report only | all year |
| 504 | Beryllium, total [as Be] | DAILY MX | report only | all year |
| 504 | Boron, total [as B] | MO AVG | report only | all year |
| 504 | Boron, total [as B] | DAILY MX | report only | all year |
| 504 | Cobalt, total [as Co] | MO AVG | report only | all year |
| 504 | Cobalt, total [as Co] | DAILY MX | report only | all year |
| 504 | Iron, total [as Fe] | MO AVG | report only | all year |
| 504 | Iron, total [as Fe] | DAILY MX | report only | all year |
| 504 | Thallium, total [as Tl] | MO AVG | <= 1.4 ug/L | all year |
| 504 | Thallium, total [as Tl] | DAILY MX | <= 1.4 ug/L | all year |
| 504 | Molybdenum, total [as Mo] | MO AVG | report only | all year |
| 504 | Molybdenum, total [as Mo] | DAILY MX | report only | all year |
| 504 | Nickel, total recoverable | MO AVG | <= 31 ug/L | all year |
| 504 | Nickel, total recoverable | DAILY MX | <= 57 ug/L | all year |
| 504 | Silver total recoverable | MO AVG | <= 2.7 ug/L | all year |
| 504 | Silver total recoverable | DAILY MX | <= 5 ug/L | all year |
| 504 | Zinc, total recoverable | MO AVG | <= 110 ug/L | all year |
| 504 | Zinc, total recoverable | DAILY MX | <= 210 ug/L | all year |
| 504 | Aluminum, total [as Al] | MO AVG | report only | all year |
| 504 | Aluminum, total [as Al] | DAILY MX | report only | all year |
| 504 | Cadmium, total recoverable | MO AVG | <= 1.8 ug/L | all year |
| 504 | Cadmium, total recoverable | DAILY MX | <= 3.2 ug/L | all year |
| 504 | Lead, total recoverable | MO AVG | <= 19 ug/L | all year |
| 504 | Lead, total recoverable | DAILY MX | <= 35 ug/L | all year |
| 504 | Copper, total recoverable | MO AVG | <= 12 ug/L | all year |
| 504 | Copper, total recoverable | DAILY MX | <= 23 ug/L | all year |
| 504 | Vanadium, total recoverable | MO AVG | report only | all year |
| 504 | Vanadium, total recoverable | DAILY MX | report only | all year |
| 504 | Antimony, total recoverable | MO AVG | <= 2100 ug/L | all year |
| 504 | Antimony, total recoverable | DAILY MX | <= 2100 ug/L | all year |
| 504 | Chromium, trivalent total recoverable | MO AVG | <= 120 ug/L | all year |
| 504 | Chromium, trivalent total recoverable | DAILY MX | <= 220 ug/L | all year |
| 504 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 504 | Flow, in conduit or thru treatment plant | DAILY MX | <= 6 MGD | all year |
| 504 | Mercury, total recoverable | MO AVG | <= 1.1 ug/L | all year |
| 504 | Mercury, total recoverable | DAILY MX | <= 2.1 ug/L | all year |
| 504 | Chromium, hexavalent tot recoverable | MO AVG | <= 13 ug/L | all year |
| 504 | Chromium, hexavalent tot recoverable | DAILY MX | <= 24 ug/L | all year |
| 504 | NOAEL Static 48Hr Acute Ceriodaphnia dubia | MINIMUM | >= 100 % | all year |
| 504 | NOAEL Static 48Hr Acute Pimephales promelas | MINIMUM | >= 100 % | all year |
| 504 | TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | MAXIMUM | <= 4.35 tox chronic | all year |
| 504 | TU Static Renewal 7-Day Chronic Pimphales promelas | MAXIMUM | <= 4.35 tox chronic | all year |
| 604 | Arsenic, total recoverable | MO AVG | <= 8 ug/L | all year |
| 604 | Arsenic, total recoverable | DAILY MX | <= 11 ug/L | all year |
| 604 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 604 | Flow, in conduit or thru treatment plant | DAILY MX | <= .5 MGD | all year |
| 604 | Mercury, total recoverable | MO AVG | <= .356 ug/L | all year |
| 604 | Mercury, total recoverable | DAILY MX | <= .788 ug/L | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states