TAOS, TOWN OF

NPDES permit NM0024066 · Major POTW · effective, expires 2030-10-31 · 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.

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

4values over a limit
31required values missing, on 3 form(s)
7of 17 forms filed late

Last period with anything received: 2026-07-31. Most often over: Di[2-ethylhexyl] phthalate [DEHP] (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 (63)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG <= 17 mg/L all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 21 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG <= 283.73 lb/d all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 350.49 lb/d all year
001pHMINIMUM >= 6.6 SU all year
001pHMAXIMUM <= 8.8 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 <= 500 lb/d all year
001Solids, total suspended7 DA AVG <= 751 lb/d all year
001Nitrogen, total [as N]30DA AVG <= 11 mg/L all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]30DA AVG <= 96.6 lb/d all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]30DA AVG <= 3.75 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 5.62 mg/L all year
001Nitrogen, ammonia total [as N]30DA AVG <= 63 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 94 lb/d all year
001Phosphorus, total [as P]30DA AVG <= 4 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]30DA AVG <= 35.1 lb/d all year
001Phosphorus, total [as P]DAILY MX report only all year
001Di[2-ethylhexyl] phthalate [DEHP]30DA AVG <= 3.7 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 3.702 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]30DA AVG <= .062 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .062 lb/d all year
001Toxaphene30DA AVG report only all year
001ToxapheneDAILY MX report only all year
001Toxaphene30DA AVG report only all year
001ToxapheneDAILY MX 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 <= 3 ug/L all year
001E. coli30DAVGEO <= 126 CFU/100mL all year
001E. coliDAILY MX <= 235 CFU/100mL all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001PER-AND POLYFLUOROALKYL SUBSTANCESDAILY MX report only all year
001Mercury, total [as Hg]30DA AVG <= .027 ug/L all year
001Mercury, total [as Hg]DAILY MX <= .041 ug/L all year
001Mercury, total [as Hg]30DA AVG <= .00045 lb/d all year
001Mercury, total [as Hg]DAILY MX <= .00068 lb/d all year
001Coliform, fecal general30DAVGEO <= 200 CFU/100mL all year
001Coliform, fecal generalDAILY MX <= 400 CFU/100mL all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001PFAS SumDAILY MX report only all year
TX1Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1Pass/Fail Static Renewal 7Day Chronic Pimephales promelasVALUE report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelasVALUE report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasVALUE report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasVALUE report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Pimephales promelasVALUE report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelasVALUE report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic 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