City of Grant

NPDES permit MI0023035 · Minor 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 (32)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 7 mg/L May, Jun, Jul, Aug, Sep
001Oxygen, dissolved [DO]DAILY MN >= 6.5 mg/L Oct, Nov
001Oxygen, dissolved [DO]DAILY MN >= 6 mg/L Jan, Feb, Mar, Apr, Dec
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 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 <= 45 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 <= 38 lb/d Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMO AVG <= 26 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspended7 DA AVG <= 57 lb/d Jan, Feb, Mar, Apr, Dec
001Solids, total suspended7 DA AVG <= 38 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Phosphorus, total [as P]MO AVG <= 1 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Phosphorus, total [as P]MO AVG <= 1 mg/L Jan, Feb, Mar, Apr, Dec
001Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct, Nov
001Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, Dec
001Phosphorus, total [as P]MO AVG <= .83 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Phosphorus, total [as P]MO AVG <= 1.3 lb/d Jan, Feb, Mar, Apr, Dec
001Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct, Nov
001Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, Dec
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only 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 residualDAILY MX <= 38 ug/L all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal general7 DA GEO <= 400 #/100mL all year
001BOD, carb-5 day, 20 deg C, percent removalMINIMUM >= 85 % Jan, Feb, Mar, Apr, Dec
001BOD, carb-5 day, 20 deg C, percent removalDAILY MN report only Jan, Feb, Mar, Apr, Dec
001Solids, suspended percent removalMINIMUM >= 85 % Jan, Feb, Mar, Apr, Dec
001Solids, suspended percent removalDAILY MN report only Jan, Feb, Mar, Apr, 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