SILVER LAKE MHP WWTP

NPDES permit IN0039543 · Minor NON-POTW · effective, expires 2028-06-30 · 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

11values over a limit
0required values missing, on 0 form(s)
1of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (8), E. coli, colony forming units [CFU] (2), BOD, carbonaceous [5 day, 20 C] (1).

Reporting

Reports are due about 27 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (25)

OutfallParameterStatisticLimitMonths
003Oxygen, dissolved [DO]DLYAVMIN >= 6 mg/L all year
003pHDAILY MN >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 10 mg/L all year
003Solids, total suspendedMX WK AV <= 15 mg/L all year
003Solids, total suspendedMO AVG <= 2.5 lb/d all year
003Solids, total suspendedMX WK AV <= 3.8 lb/d all year
003Nitrogen, ammonia total [as N]MO AVG <= 1.1 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
003Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L Jan, Feb, Mar, Apr, Dec
003Nitrogen, ammonia total [as N]DAILY MX <= 2.9 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
003Nitrogen, ammonia total [as N]DAILY MX <= 3.1 mg/L Jan, Feb, Mar, Apr, Dec
003Nitrogen, ammonia total [as N]MO AVG <= .3 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
003Nitrogen, ammonia total [as N]MO AVG <= .3 lb/d Jan, Feb, Mar, Apr, Dec
003Nitrogen, ammonia total [as N]DAILY MX <= .7 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
003Nitrogen, ammonia total [as N]DAILY MX <= .8 lb/d Jan, Feb, Mar, Apr, Dec
003Phosphorus, total [as P]MO AVG <= 1 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantMX WK AV report only all year
003E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL all year
003E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL all year
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 15 mg/L all year
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 2.5 lb/d all year
003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 3.8 lb/d all year
003Flow, 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