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Sewage treatment plant, major discharger, Belen, New Mexico. NPDES permit NM0020150, in force until Nov 30, 2030. Last 12 months: over a limit 2 times (last November 2025), 8 required values missing, 4 of 20 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, nitrate total [as N], daily maximum | 21000 ug/L | ≤ 10000 ug/L | 110% |
| November 2025 | Nitrogen, nitrate total [as N], daily maximum | 21000 ug/L | ≤ 10000 ug/L | 110% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 300.42 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 450.63 lb/d | all year | 001 |
| pH | minimum | ≥ 6.6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 300.42 lb/d | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 450.63 lb/d | all year | 001 |
| Nitrogen, nitrate total [as N] | 7-day average | report only (ug/L) | all year | 001 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (ug/L) | all year | 001 |
| Dichlorobromomethane | 7-day average | report only (ug/L) | all year | 001 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | 7-day average | report only (MGD) | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ 11 ug/L | all year | 001 |
| E. coli | 30-day geometric mean | ≤ 126 CFU/100mL | all year | 001 |
| E. coli | daily maximum | ≤ 410 CFU/100mL | all year | 001 |
| E. coli | 30-day geometric mean | ≤ 5730 MCFU/d | all year | 001 |
| E. coli | 7-day geometric mean | report only (MCFU/d) | all year | 001 |
| PER-AND POLYFLUOROALKYL SUBSTANCES | daily maximum | report only (ng/L) | all year | 001 |
| PER-AND POLYFLUOROALKYL SUBSTANCES | daily maximum | report only (ng/L) | all year | 001 |
| PER-AND POLYFLUOROALKYL SUBSTANCES | daily maximum | report only (ng/g) | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| PFAS Sum | daily maximum | report only (ng/L) | all year | 001 |
| Whole effluent toxicity - retest #1 | value | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | value | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #1 | value | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #2 | value | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity - Retest #3 | value | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | value | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | value | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | value | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | value | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | value | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | value | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | value | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | value | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | value | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | value | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | value | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | value | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | value | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | value | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | value | report only (%) | all year | TX1 |
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/NM0020150 · MCP: https://passage-data.com/mcp