NEZ PERCE TRIBE WATER RESOURCES DIVISION

NPDES permit ID0028347 · Minor POTW · administratively continued, expires 2024-10-31 · 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 2024-10-31 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

0values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

Last period with anything received: 2026-08-31.

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 (33)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY AV report only all year
001Temperature, water deg. centigradeINST MAX report only all year
001Oxygen, dissolved [DO]MINIMUM 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 <= 80 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 120 lb/d all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 17 mg/L all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedMO AVG <= 45 lb/d all year
001Solids, total suspendedWKLY AVG <= 67 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.9 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 5.83 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 7.7 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 15.6 lb/d 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 <= 10 mg/L all year
001Nitrite + Nitrate total [as N]WKLY AVG <= 15 mg/L all year
001Nitrite + Nitrate total [as N]MO AVG <= 27 lb/d all year
001Nitrite + Nitrate total [as N]WKLY AVG <= 40 lb/d all year
001Phosphorus, total [as P]DAILY MX report only all year
001Oil and greaseDAILY MX report only all year
001E. coli, MTEC-MFGEO MEAN <= 126 #/100mL all year
001E. coli, MTEC-MFINST MAX <= 406 #/100mL all year
001Floating solids, waste or visible foam-visualINST 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
001Solids, total dissolvedDAILY MX report only 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