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Farmington, City of (WWTP)

Sewage treatment plant, major discharger, Farmington, New Mexico. NPDES permit NM0020583, in force until Nov 30, 2026. Last 12 months: over a limit 4 times (last January 2026), 10 required values missing, 1 of 20 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (36 values), outfall 001 form Q quarterly, outfall TX1 form Q quarterly
Renewal application due
Jun 3, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
31 values over a limit, 0 required values missing, 7 of 20 reports late

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

Period endingParameterReportedLimit
January 2026BOD, 5-day, 20 deg. C, 30-day average> 192 lb/d≤ 1669 lb/d
January 2026BOD, 5-day, 20 deg. C, 30-day average> 5 mg/L≤ 30 mg/L
January 2026BOD, 5-day, 20 deg. C, 7-day average> 169 lb/d≤ 2504 lb/d
January 2026BOD, 5-day, 20 deg. C, 7-day average> 4 mg/L≤ 45 mg/L

Limits in force (54)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. C30-day average≤ 1669 lb/dall year001
BOD, 5-day, 20 deg. C7-day average≤ 2504 lb/dall year001
pHminimum≥ 6.6 SUall year001
pHmaximum≤ 9 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≤ 1669 lb/dall year001
Solids, total suspended7-day average≤ 2504 lb/dall year001
Cyanide, total [as CN]30-day average≤ 14.67 ug/Lall year001
Cyanide, total [as CN]daily maximum≤ 22 ug/Lall year001
Cyanide, total [as CN]30-day average≤ .817 lb/dall year001
Cyanide, total [as CN]daily maximum≤ 1.225 lb/dall year001
Cadmium, total [as Cd]7-day averagereport only (ug/L)all year001
2,3,7,8-Tetrachlorodibenzo-p-dioxin7-day averagereport only (ug/L)all year001
Pentachlorophenol7-day averagereport only (ug/L)all year001
Aldrin7-day averagereport only (ug/L)all year001
Chlordane [tech mix. and metabolites]7-day averagereport only (ug/L)all year001
Toxaphene7-day averagereport only (ug/L)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≤ 19 ug/Lall year001
E. coli30-day geometric mean≤ 126 CFU/100mLall year001
E. colidaily maximum≤ 235 CFU/100mLall year001
E. coli30-day geometric mean≤ 31900 MCFU/dall year001
E. colidaily maximum≤ 31900 MCFU/dall year001
Solids, total dissolved30-day averagereport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolved30-day averagereport only (lb/d)all year001
Solids, total dissolveddaily maximumreport only (lb/d)all year001
Solids, total dissolved30-day averagereport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolved30-day averagereport only (lb/d)all year001
Solids, total dissolveddaily maximumreport only (lb/d)all year001
Solids, total dissolved30-day average≤ 449 mg/Lall year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolved30-day average≤ 24992 lb/dall year001
Solids, total dissolveddaily maximumreport only (lb/d)all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Whole effluent toxicity - retest #1valuereport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #2valuereport only (pass=0;fail=1)all yearTX1
WET, sublethal retest #1valuereport only (pass=0;fail=1)all yearTX1
WET, sublethal retest #2valuereport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity - Retest #3valuereport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity, Sub-Lethal Retest #3valuereport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexvaluereport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasvaluereport only (pass=0;fail=1)all yearTX1
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexvaluereport only (%)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasvaluereport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute D. pulexvaluereport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute Pimephales promelasvaluereport only (%)all yearTX1

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NM0020583 · MCP: https://passage-data.com/mcp