FARMINGTON, CITY OF (WWTP)

NPDES permit NM0020583 · Major POTW · effective, expires 2026-11-30 · 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
10required values missing, on 2 form(s)
1of 17 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (4).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (54)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG <= 1669 lb/d all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 2504 lb/d all year
001pHMINIMUM >= 6.6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspended30DA AVG <= 1669 lb/d all year
001Solids, total suspended7 DA AVG <= 2504 lb/d all year
001Cyanide, total [as CN]30DA AVG <= 14.67 ug/L all year
001Cyanide, total [as CN]DAILY MX <= 22 ug/L all year
001Cyanide, total [as CN]30DA AVG <= .817 lb/d all year
001Cyanide, total [as CN]DAILY MX <= 1.225 lb/d all year
001Cadmium, total [as Cd]7 DA AVG report only all year
0012,3,7,8-Tetrachlorodibenzo-p-dioxin7 DA AVG report only all year
001Pentachlorophenol7 DA AVG report only all year
001Aldrin7 DA AVG report only all year
001Chlordane [tech mix. and metabolites]7 DA AVG report only all year
001Toxaphene7 DA AVG report only all year
001Flow, in conduit or thru treatment plant30DA AVG report only all year
001Flow, in conduit or thru treatment plant7 DA AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualINST MAX <= 19 ug/L all year
001E. coli30DAVGEO <= 126 CFU/100mL all year
001E. coliDAILY MX <= 235 CFU/100mL all year
001E. coli30DAVGEO <= 31900 MCFU/d all year
001E. coliDAILY MX <= 31900 MCFU/d all year
001Solids, total dissolved30DA AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolved30DA AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolved30DA AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolved30DA AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolved30DA AVG <= 449 mg/L all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolved30DA AVG <= 24992 lb/d 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
TX1Whole effluent toxicity - retest #1VALUE report only all year
TX1Whole effluent toxicity - retest #2VALUE report only all year
TX1WET, sublethal retest #1VALUE report only all year
TX1WET, sublethal retest #2VALUE report only all year
TX1Whole Effluent Toxicity - Retest #3VALUE report only all year
TX1Whole Effluent Toxicity, Sub-Lethal Retest #3VALUE report only all year
TX1Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexVALUE report only all year
TX1LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasVALUE report only all year
TX1NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexVALUE report only all year
TX1NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasVALUE report only all year
TX1Coef Of Var Static Renewal 48Hr Acute D. pulexVALUE report only all year
TX1Coef Of Var Static Renewal 48Hr Acute Pimephales promelasVALUE 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