City of Havre de Grace

NPDES permit MD0021750 · Major POTW · expired, expires 2023-11-30 · EPA's file as of 2026-09-19

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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.

This permit expired on 2023-11-30 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
15required values missing, on 6 form(s)
7of 12 forms filed late

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

Reporting

Reports are due about 29 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (43)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001Oxygen, dissolved [DO]MO AV MN >= 5.5 mg/L all year
001Oxygen, dissolved [DO]MH >= 6 mg/L Feb, Mar, Apr, May
001BOD, 5-day, 20 deg. CMX MO AV <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 760 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 1100 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMX MO AV <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMX MO AV <= 760 lb/d all year
001Solids, total suspendedMO TOTAL report only all year
001Solids, total suspendedMX WK AV <= 1100 lb/d all year
001Solids, total suspendedCUM TOTL <= 207859 lb/yr all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]ANNL MAX <= 27715 lb/yr all year
001Nitrogen, total [as N]ANNL MAX <= 27715 lb/yr all year
001Nitrogen, total [as N]MO TOTAL report only all year
001Nitrogen, total [as N]ANNL MAX <= 27715 lb/yr all year
001Nitrogen, organic total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]ANNL MAX <= 2079 lb/yr all year
001Phosphorus, total [as P]ANNL MAX <= 2079 lb/yr all year
001Phosphorus, total [as P]ANNL MAX <= 2079 lb/yr all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Cadmium, total recoverableMINIMUM report only Mar, Jun, Sep, Dec
001Phosphate, ortho [as P]MO AVG report only all year
001BenzidineMINIMUM report only Mar, Jun, Sep, Dec
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantANNL TOT report only all year
001Flow, in conduit or thru treatment plantANNL TOT report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMAXIMUM <= .1 mg/L all year
001Coliform, fecal generalMO MED <= 14 MPN/100mL all year
001Flow, totalMO TOTAL 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