ST. MARIES, CITY OF

NPDES permit ID0022799 · Minor POTW · expired, expires 2025-10-31 · 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.

This permit expired on 2025-10-31 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

2values over a limit
293required values missing, on 12 form(s)
1of 17 forms filed late

Last period with anything received: 2025-12-31. Most often over: BOD, 5-day, percent removal (1), Solids, suspended percent removal (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (55)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. centigradeWKLY AVG report only Jun
001TurbidityMO AVG report only all year
001TurbidityDAILY MX report only all year
001Oxygen, dissolved [DO]MO AVG report only all year
001Oxygen, dissolved [DO]DAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 500 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 751 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 8.5 SU all year
001Alkalinity, carbonate [as CaCO3]MO AVG report only all year
001Alkalinity, carbonate [as CaCO3]DAILY MX report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 500 lb/d all year
001Solids, total suspendedWKLY AVG <= 751 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorous, total organic [as P]MO AVG report only all year
001Phosphorous, total organic [as P]DAILY MX report only all year
001Phosphate, ortho, dissolved [as P]MO AVG report only all year
001Phosphate, ortho, dissolved [as P]DAILY MX report only all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Whole effluent toxicityMO AVG <= 13.6 toxic all year
001Whole effluent toxicityWKLY AVG <= 44.4 toxic all year
001E. coli, MTEC-MFMO GEO <= 126 #/100mL all year
001E. coli, MTEC-MFINST MAX <= 235 #/100mL all year
001Floating solids, waste or visible foam-visualMO MAX <= 0 N=0;Y=1 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
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Chlorine, total residualMO AVG <= .16 mg/L all year
001Chlorine, total residualDAILY MX <= .404 mg/L all year
001Chlorine, total residualMO AVG <= 2.7 lb/d all year
001Chlorine, total residualDAILY MX <= 6.7 lb/d all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % 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