Griffithville, City of

NPDES permit AR0042803 · Minor POTW · effective, expires 2029-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
4required values missing, on 1 form(s)
0of 19 forms filed late

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

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among AR permits in EPA's filings — check your permit).

Limits in force (22)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 2 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Oxygen, dissolved [DO]INST MIN >= 4 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 10 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. C7 DA AVG <= 15 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 3.9 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspended7 DA AVG <= 22.5 mg/L all year
001Solids, total suspendedMO AVG <= 5.9 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 12 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]7 DA AVG <= 18 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 4.7 lb/d May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Coliform, fecal general30DA GEO <= 1000 #/100mL all year
001Coliform, fecal general7 DA GEO <= 2000 #/100mL all year
001OverflowsMO TOTAL report only all year
001Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 3.9 lb/d May, Jun, Jul, Aug, Sep, Oct

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