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Rio Del Oro WWTF-NM Water Serv

Sewage treatment plant, Valencia County, New Mexico. NPDES permit NM0030414, in force until Jul 31, 2031. Last 12 months: no values over a limit, 28 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 61 days after each period: outfall 001 form A quarterly, outfall TX1 form T every 60 months
Last report on file
June 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (56)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/Lall year001
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. C7-day average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. C30-day average≤ 75.11 lb/dall year001
BOD, 5-day, 20 deg. C30-day average≤ 75.11 lb/dall year001
BOD, 5-day, 20 deg. C7-day average≤ 112.66 lb/dall year001
BOD, 5-day, 20 deg. C7-day average≤ 112.66 lb/dall year001
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year001
pHminimum≥ 6.6 SUall year001
pHminimum≥ 6.6 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspended30-day average≤ 30 mg/Lall year001
Solids, total suspended30-day average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspended30-day average≤ 75.11 lb/dall year001
Solids, total suspended30-day average≤ 75.11 lb/dall year001
Solids, total suspended7-day average≤ 112.66 lb/dall year001
Solids, total suspended7-day average≤ 112.66 lb/dall year001
Solids, total suspended30-day averagereport only (mg/L)all year001
Solids, total suspended30-day averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)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 plant7-day averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualinstantaneous maximum≤ 11 ug/Lall year001
Chlorine, total residualinstantaneous maximum≤ 11 ug/Lall year001
E. coli30-day geometric mean≤ 126 CFU/100mLall year001
E. coli30-day geometric mean≤ 126 CFU/100mLall year001
E. colidaily maximum≤ 410 CFU/100mLall year001
E. colidaily maximum≤ 410 CFU/100mLall year001
E. coli30-day geometric mean≤ 1.43 BCFU/dall year001
E. coli30-day geometric mean≤ 1.43 BCFU/dall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %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.

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/NM0030414 · MCP: https://passage-data.com/mcp