Shenandoah National Park

NPDES permit VA0024422 · Minor FEDERAL · effective, expires 2030-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

Last period with anything received: 2026-07-31.

Reporting

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).

Limits in force (26)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6.5 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedMX WK AV <= 22 mg/L all year
001Solids, total suspendedMO AVG <= 4 kg/d all year
001Solids, total suspendedMX WK AV <= 5.8 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, ammonia total [as N]MO AVG <= .72 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MX WK AV <= 1.5 mg/L Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 1 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]MX WK AV report only all year
001Copper, total recoverableMO AVG <= 24 ug/L all year
001Copper, total recoverableMX WK AV <= 24 ug/L all year
001Flow, in conduit or thru treatment plantMO AVG <= .07 MGD (alert) all year
001Flow, in conduit or thru treatment plantMO MAX report only (alert) all year
001E. coliMO GEOMN <= 126 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 22 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 4 kg/d all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 5.8 kg/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % 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