GRACE, CITY OF

NPDES permit ID0023825 · Minor POTW · effective, expires 2027-06-30 · 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

0values over a limit
0required values missing, on 0 form(s)
2of 29 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (41)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeMX DA AV report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 109 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 163 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 23.5 lb/d all year
001Solids, total suspendedANNL AVG <= 8.49 lb/d Jan
001Solids, total suspendedWKLY AVG <= 48.2 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 11.9 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 63.3 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 43.7 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 232.2 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= 5.77 lb/d all year
001Phosphorus, total [as P]ANNL AVG <= 2.36 lb/d Jan
001E. coli, MTEC-MFMO GEOMN <= 126 #/100mL all year
001E. coli, MTEC-MFINST MAX <= 406 #/100mL all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= 163 ug/L all year
001Chlorine, total residualDAILY MX <= 473 ug/L all year
001Chlorine, total residualMO AVG <= .6 lb/d all year
001Chlorine, total residualDAILY MX <= 1.74 lb/d all year
001EnterococciMO GEOMN <= 35 #/100mL all year
001EnterococciINST MAX <= 130 #/100mL all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
REC1pHINST MIN report only all year
REC1pHINST MAX report only all year
REC1Nitrogen, ammonia total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
REC1Nitrogen, ammonia total [as N]DAILY MX report only Mar, Jun, Sep, Dec
REC1Phosphorus, total [as P]QRTR AVG report only Mar, Jun, Sep, Dec
REC1Phosphorus, total [as P]DAILY MX report only Mar, Jun, Sep, Dec

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