BIE Nenahnezad Community School

NPDES permit NN0020800 · Minor FEDERAL · effective, expires 2031-08-31 · 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

4values over a limit
122required values missing, on 12 form(s)
24of 24 forms filed late

Last period with anything received: 2026-06-30. Most often over: pH (3), Solids, suspended percent removal (1).

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 (36)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CHI WK AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 2.6 lb/d all year
001BOD, 5-day, 20 deg. CHI WK AV <= 3.9 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedHI WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 2.6 lb/d all year
001Solids, total suspendedHI WK AV <= 3.9 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1 Ratio all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Cadmium, total [as Cd]MO AVG <= .1425 ug/L all year
001Zinc, total [as Zn]MO AVG <= 322.66 ug/L all year
001Antimony, dissolved [as Sb]MO AVG <= 30 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .32 ug/L 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
001E. coliMO GEOMN <= 126 CFU/100mL all year
001E. coliDAILY MX <= 235 CFU/100mL all year
001Solids, total dissolvedMO AVG 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
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CHI WK AV report only all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CHI WK AV report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedHI WK AV report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedHI WK AV report only all year
INFFlow, in conduit or thru treatment plantMO AVG report only all year
INFFlow, in conduit or thru treatment plantDAILY 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