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Taos, Town of

Sewage treatment plant, major discharger, Rancho De Taos, New Mexico. NPDES permit NM0024066, in force until Oct 31, 2030. Last 12 months: over a limit 4 times (last June 2026), 31 required values missing, 7 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (45 values), outfall TX1 form Q quarterly (14 values), outfall 001 form S twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
15 values over a limit, 0 required values missing, 3 of 16 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
April 2026Di[2-ethylhexyl] phthalate [DEHP], daily maximum.126 lb/d≤ .062 lb/d103%
April 2026Di[2-ethylhexyl] phthalate [DEHP], daily maximum15 ug/L≤ 3.702 ug/L305%
June 2026Di[2-ethylhexyl] phthalate [DEHP], daily maximum.072 lb/d≤ .062 lb/d16%
June 2026Di[2-ethylhexyl] phthalate [DEHP], daily maximum9.1 ug/L≤ 3.702 ug/L146%

Limits in force (63)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. C30-day average≤ 17 mg/Lall year001
BOD, 5-day, 20 deg. C7-day average≤ 21 mg/Lall year001
BOD, 5-day, 20 deg. C30-day average≤ 283.73 lb/dall year001
BOD, 5-day, 20 deg. C7-day average≤ 350.49 lb/dall year001
pHminimum≥ 6.6 SUall year001
pHmaximum≤ 8.8 SUall year001
Solids, total suspended30-day average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspended30-day average≤ 500 lb/dall year001
Solids, total suspended7-day average≤ 751 lb/dall year001
Nitrogen, total [as N]30-day average≤ 11 mg/Lall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]30-day average≤ 96.6 lb/dall year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, ammonia total [as N]30-day average≤ 3.75 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 5.62 mg/Lall year001
Nitrogen, ammonia total [as N]30-day average≤ 63 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 94 lb/dall year001
Phosphorus, total [as P]30-day average≤ 4 mg/Lall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]30-day average≤ 35.1 lb/dall year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Di[2-ethylhexyl] phthalate [DEHP]30-day average≤ 3.7 ug/Lall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 3.702 ug/Lall year001
Di[2-ethylhexyl] phthalate [DEHP]30-day average≤ .062 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .062 lb/dall year001
Toxaphene30-day averagereport only (mg/L)all year001
Toxaphenedaily maximumreport only (mg/L)all year001
Toxaphene30-day averagereport only (lb/d)all year001
Toxaphenedaily maximumreport only (lb/d)all year001
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year001
Flow, in conduit or thru treatment plant7-day averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualinstantaneous maximum≤ 3 ug/Lall year001
E. coli30-day geometric mean≤ 126 CFU/100mLall year001
E. colidaily maximum≤ 235 CFU/100mLall year001
PER-AND POLYFLUOROALKYL SUBSTANCESdaily maximumreport only (ng/L)all year001
PER-AND POLYFLUOROALKYL SUBSTANCESdaily maximumreport only (ng/L)all year001
PER-AND POLYFLUOROALKYL SUBSTANCESdaily maximumreport only (ng/g)all year001
Mercury, total [as Hg]30-day average≤ .027 ug/Lall year001
Mercury, total [as Hg]daily maximum≤ .041 ug/Lall year001
Mercury, total [as Hg]30-day average≤ .00045 lb/dall year001
Mercury, total [as Hg]daily maximum≤ .00068 lb/dall year001
Coliform, fecal general30-day geometric mean≤ 200 CFU/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 CFU/100mLall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
PFAS Sumdaily maximumreport only (ng/L)all year001
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiavaluereport only (pass=0;fail=1)all yearTX1
Pass/Fail Static Renewal 7Day Chronic Pimephales promelasvaluereport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubiavaluereport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelasvaluereport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiavaluereport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasvaluereport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiavaluereport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasvaluereport only (%)all yearTX1
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubiavaluereport only (%)all yearTX1
Coef Of Var Static Renewal 7Day Chronic Pimephales promelasvaluereport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubiavaluereport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelasvaluereport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubiavaluereport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelasvaluereport only (%)all yearTX1

How strict are these limits?

Cited limits by parameter: New Mexico's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NM0024066 · MCP: https://passage-data.com/mcp