TROY, CITY OF

NPDES permit ID0023604 · Minor POTW · effective, expires 2027-07-31 · 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.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among ID permits in EPA's filings — check your permit).

Limits in force (49)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeINST MAX 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 <= 48 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 71 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 42.8 lb/d all year
001Solids, total suspendedWKLY AVG <= 71 lb/d all year
001Solids, total suspendedDAILY MX <= 114.1 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 20.75 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 28 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 32.9 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 44.4 lb/d all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]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
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 residualMO AVG <= .05 mg/L all year
001Chlorine, total residualDAILY MX <= .05 mg/L all year
001Chlorine, total residualMO AVG <= .08 lb/d all year
001Chlorine, total residualDAILY MX <= .08 lb/d all year
001E. coliMO GEOMN <= 126 #/100mL all year
001E. coliDAILY MX <= 406 #/100mL all year
001EnterococciMO GEO <= 35 #/100mL all year
001EnterococciDAILY MX <= 130 #/100mL all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
REC1Temperature, water deg. centigradeINST MAX report only all year
REC1Temperature, water deg. centigradeINST MAX report only all year
REC1StreamflowINST MIN report only all year
REC1StreamflowINST MAX report only all year
REC1Oxygen, dissolved [DO]INST MIN report only all year
REC1Oxygen, dissolved [DO]INST MIN report only all year
REC1pHINST MIN report only all year
REC1pHINST MAX report only all year
REC1Nitrogen, ammonia total [as N]DAILY MX report only all year
REC1Nitrite + Nitrate total [as N]DAILY 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