ALLEGHENY CLARION VALLEY DEV CORP

NPDES permit PA0221317 · Minor NON-POTW · effective, expires 2030-06-30 · 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

4values over a limit
0required values missing, on 0 form(s)
2of 18 forms filed late

Last period with anything received: 2026-06-30. Most often over: Nitrogen, ammonia total [as N] (3), BOD, carbonaceous [5 day, 20 C] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (32)

OutfallParameterStatisticLimitMonths
101Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
101pHINST MIN >= 6 SU all year
101pHINST MAX <= 9 SU all year
101Solids, total suspendedMO AVG <= 30 mg/L all year
101Nitrogen, total [as N]QRTR AVG report only all year
101Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L May, Jun, Jul, Aug, Sep, Oct
101Nitrogen, ammonia total [as N]MO AVG <= 6 mg/L Jan, Feb, Mar, Apr, Nov, Dec
101Phosphorus, total [as P]QRTR AVG report only all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Chlorine, total residualMO AVG <= .08 mg/L all year
101Chlorine, total residualINST MAX <= .27 mg/L all year
101E. coliINST MAX report only all year
101Coliform, fecal generalGEO MEAN <= 2000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
101Coliform, fecal generalGEO MEAN <= 200 #/100mL May, Jun, Jul, Aug, Sep
101Coliform, fecal generalINST MAX <= 10000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
101Coliform, fecal generalINST MAX <= 1000 #/100mL May, Jun, Jul, Aug, Sep
101BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
201pHINST MIN >= 6 SU all year
201pHINST MAX <= 9 SU all year
201Solids, total suspendedMO AVG <= 30 mg/L all year
201Solids, total suspendedDAILY MX <= 60 mg/L all year
201Iron, total [as Fe]MO AVG <= 2 mg/L all year
201Iron, total [as Fe]DAILY MX <= 4 mg/L all year
201Manganese, total [as Mn]MO AVG <= 1 mg/L all year
201Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
201Aluminum, total [as Al]MO AVG <= 4 mg/L all year
201Aluminum, total [as Al]DAILY MX <= 8 mg/L all year
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Chlorine, total residualMO AVG <= .5 mg/L all year
201Chlorine, total residualDAILY MX <= 1 mg/L all year
201Solids, total dissolvedDAILY MX report only 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