Clean Water Act discharge permit · NPDES NM0027375
RIO DE ARENAS LLC, Silver City, NM: NPDES NM0027375 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
RIO DE ARENAS LLC holds NPDES permit NM0027375, which discharges to Lower Mimbres River. EPA’s file records it issued August 18, 2009 and expiring September 30, 2014. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | RIO DE ARENAS LLC |
|---|---|
| Permittee as filed | RIO DE ARENAS LLC |
| NPDES ID | NM0027375 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 18, 2009 |
| Expiration date | September 30, 2014 |
| Address | Silver City, NM 88061 |
| Receiving water | LOWER MIMBRES RIVER |
| Subwatershed | Rio de Arenas (HUC 130302020201) |
| SIC | 6515 – Mobile Home Site Operators |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 22Pollutants on file
- 14Under a numeric limit
- 20With a violation of any kind
- 4With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Coliform, fecal general | 0 | 82 | 18 | February 28, 2009 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 548 | 5 | May 31, 2018 | 33% over the limit |
| Solids, total suspended | 4 | 544 | 4 | May 31, 2013 | 217% over the limit |
| Chlorine, total residual | 1 | 112 | 1 | May 31, 2010 | 245% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 278 | 0 | ||
| pH | 2 | 230 | 0 | ||
| E. coli | 2 | 168 | 0 | ||
| BOD, 5-day, percent removal | 0 | 52 | 0 | ||
| Solids, suspended percent removal | 0 | 52 | 0 | ||
| Cadmium, dissolved [as Cd] | 0 | 4 | 0 | ||
| Copper, dissolved [as Cu] | 0 | 4 | 0 | ||
| Lead, dissolved [as Pb] | 0 | 4 | 0 | ||
| Nickel, dissolved [as Ni] | 0 | 4 | 0 | ||
| Zinc, dissolved [as Zn] | 0 | 4 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 2 | 2 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 2 | 2 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 2 | 2 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 2 | 2 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 2 | 2 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 2 | 2 | 0 | ||
| Whole effluent toxicity - retest #1 | 2 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES NM0027375.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, NM0027375.
Start the watch
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How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID NM0027375 there.
Nearby on the register
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- Every permit record in New Mexico, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.