City of St Robert

NPDES permit MO0112925 · Major POTW · administratively continued, expires 2024-09-30 · EPA's file as of 2026-09-19

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This permit expired on 2024-09-30 and is administratively continued: 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

2values over a limit
0required values missing, on 0 form(s)
1of 27 forms filed late

Last period with anything received: 2026-07-31. Most often over: Copper, total recoverable (2).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (48)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
001Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jul, Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jun
001Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L May
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Jul, Aug
001Nitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L Sep
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2.7 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 1.7 mg/L Jun
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Copper, total recoverableDAILY MX <= 27.6 ug/L all year
001Copper, total recoverableMO AVG <= 17.9 ug/L all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001E. coli7 DA GEO <= 630 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli30DA GM <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFSolids, total suspendedMO AVG report only all year
INFNitrogen, ammonia total [as N]DAILY MX report only all year
INFNitrogen, ammonia total [as N]MO AVG report only all year
INFNitrogen, Kjeldahl, total [as N]DAILY MX report only all year
INFNitrogen, Kjeldahl, total [as N]MO AVG report only all year
INFNitrite + Nitrate total [as N]DAILY MX report only all year
INFNitrite + Nitrate total [as N]MO AVG report only all year
INFPhosphorus, total [as P]DAILY MX report only all year
INFPhosphorus, total [as P]MO AVG 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