Yakima Regional POTW

NPDES permit WA0024023 · Major POTW · effective, expires 2029-03-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 38 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Limits in force (85)

OutfallParameterStatisticLimitMonths
005Temperature, water deg. centigradeAVERAGE report only (alert) all year
005Temperature, water deg. centigradeMAXIMUM report only (alert) all year
005Oxygen, dissolved [DO]AVERAGE report only (alert) all year
005Oxygen, dissolved [DO]MINIMUM report only (alert) all year
005BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
005BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
005BOD, 5-day, 20 deg. CMO AVG <= 5379 lb/d all year
005BOD, 5-day, 20 deg. CWKLY AVG <= 8069 lb/d all year
005pHDAILY MN >= 6 SU all year
005pHDAILY MX <= 9 SU all year
005Alkalinity, total [as CaCO3]Single Rdg report only (alert) all year
005Solids, total suspendedMO AVG <= 30 mg/L all year
005Solids, total suspendedWKLY AVG <= 45 mg/L all year
005Solids, total suspendedMO AVG <= 5379 lb/d all year
005Solids, total suspendedWKLY AVG <= 8069 lb/d all year
005Oil and grease [soxhlet extr.] tot.Single Rdg report only (alert) all year
005Nitrogen, ammonia total [as N]AVERAGE report only (alert) all year
005Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
005Nitrogen, ammonia total [as N]AVERAGE report only (alert) all year
005Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
005Nitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
005Nitrogen, Kjeldahl, total [as N]AVERAGE report only (alert) all year
005Nitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
005Nitrite + Nitrate total [as N]AVERAGE report only (alert) all year
005Nitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
005Phosphorus, total [as P]AVERAGE report only (alert) all year
005Phosphorus, total [as P]MAXIMUM report only (alert) all year
005Phosphorus, total [as P]AVERAGE report only (alert) all year
005Phosphorus, total [as P]MAXIMUM report only (alert) all year
005Cyanide, total [as CN]Single Rdg report only (alert) all year
005Hardness, total [as CaCO3]Single Rdg report only (alert) all year
005Arsenic, total [as As]Single Rdg report only (alert) all year
005Beryllium, total [as Be]Single Rdg report only (alert) all year
005Cadmium, total [as Cd]Single Rdg report only (alert) all year
005Chromium, total [as Cr]Single Rdg report only (alert) all year
005Copper, total [as Cu]Single Rdg report only (alert) all year
005Lead, total [as Pb]Single Rdg report only (alert) all year
005Thallium, total [as Tl]Single Rdg report only (alert) all year
005Nickel, total [as Ni]Single Rdg report only (alert) all year
005Silver, total [as Ag]Single Rdg report only (alert) all year
005Zinc, total [as Zn]Single Rdg report only (alert) all year
005Antimony, total [as Sb]Single Rdg report only (alert) all year
005Selenium, total [as Se]Single Rdg report only (alert) all year
005Total phenolsSingle Rdg report only all year
005Phosphate, ortho [as P]AVERAGE report only (alert) all year
005Phosphate, ortho [as P]MAXIMUM report only (alert) all year
005Phosphate, ortho [as P]AVERAGE report only (alert) all year
005Phosphate, ortho [as P]MAXIMUM report only (alert) all year
005Phenolics, totalSingle Rdg report only (alert) all year
005Chlorine, total residualDAILY MX <= .035 mg/L all year
005BOD, percent removal [total]MO AV MN >= 85 % all year
005Mercury, total [as Hg]Single Rdg report only (alert) all year
005Coliform, total generalMO GEOMN <= 100 #/100mL all year
005Coliform, total generalWK GEOMN <= 320 #/100mL all year
005FlowAVERAGE report only (alert) all year
005FlowMAXIMUM report only (alert) all year
005Solids, suspended percent removalMO AV MN >= 85 % all year
IN1BOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1Solids, total suspendedAVERAGE report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedAVERAGE report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Nitrogen, Kjeldahl, total [as N]AVERAGE report only (alert) all year
IN1Nitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
IN1Nitrogen, Kjeldahl, total [as N]AVERAGE report only (alert) all year
IN1Nitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
IN1FlowAVERAGE report only (alert) all year
IN1FlowMAXIMUM report only (alert) all year
IN2BOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
IN2BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN2BOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
IN2BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN2Solids, total suspendedAVERAGE report only (alert) all year
IN2Solids, total suspendedMAXIMUM report only (alert) all year
IN2Solids, total suspendedAVERAGE report only (alert) all year
IN2Solids, total suspendedMAXIMUM report only (alert) all year
IN2Nitrogen, Kjeldahl, total [as N]AVERAGE report only (alert) all year
IN2Nitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
IN2Nitrogen, Kjeldahl, total [as N]AVERAGE report only (alert) all year
IN2Nitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
IN2FlowAVERAGE report only (alert) all year
IN2FlowMAXIMUM report only (alert) 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