City of New Baltimore

NPDES permit MI0023680 · Major POTW · effective, expires 2029-10-01 · 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 13 forms filed late

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

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MI permits in EPA's filings — check your permit).

Limits in force (59)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 24 mg/L Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMO AVG <= 20 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspended7 DA AVG <= 36 mg/L Jan, Feb, Mar, Apr, Dec
001Solids, total suspended7 DA AVG <= 30 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMO AVG <= 350 lb/d Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMO AVG <= 290 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspended7 DA AVG <= 520 lb/d Jan, Feb, Mar, Apr, Dec
001Solids, total suspended7 DA AVG <= 440 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= .5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 3.4 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 4.6 mg/L Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 2 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 7.3 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]7 DA AVG <= 50 lb/d Apr
001Nitrogen, ammonia total [as N]7 DA AVG <= 67 lb/d Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]7 DA AVG <= 29 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= 15 lb/d all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]SINGSAMP <= .8 mg/L Sep
001Phosphorus, total [as P]SINGSAMP <= 12 lb/d Sep
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Cadmium, total [as Cd]MO AVG <= 7.5 ug/L all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Cadmium, total [as Cd]MO AVG <= .11 lb/d all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Toxicity, choice of speciesVALUE <= 1 tox chronic all year
001Toxicity, choice of speciesDAILY MX report only all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 18 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 285 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .26 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]7 DA AVG <= 4.2 lb/d 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
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]1D <= 2 ng/L all year
001Mercury, total [as Hg]1D <= .000029 lb/d all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal general7 DA GEO <= 400 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 11 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 4 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 16 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 160 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 58 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 230 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 150 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001TU Static 24 Hr Acute Pimephales promelasDAILY MX <= 1 tox acute all year
001Static 48 Hr Chronic Pimphales PromelasVALUE <= 1 tox chronic all year
001Static 48 Hr Chronic Pimphales PromelasDAILY 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