Clean Water Act discharge permit · NPDES CO0041840
TELLURIDE REGIONAL WWTF, San Miguel County, CO: NPDES CO0041840 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 30Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
TELLURIDE REGIONAL WWTF, held by Telluride Town of, holds NPDES permit CO0041840, which discharges to San Miguel River. EPA’s file records it issued April 30, 2013 and expiring May 31, 2018. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TELLURIDE REGIONAL WWTF |
|---|---|
| Permittee as filed | Telluride Town of |
| NPDES ID | CO0041840 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 30, 2013 |
| Expiration date | May 31, 2018 |
| Address | San Miguel County, CO 81435 |
| Receiving water | SAN MIGUEL RIVER |
| Subwatershed | Headwaters San Miguel River (HUC 140300030106) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 64Pollutants on file
- 30Under a numeric limit
- 60With a violation of any kind
- 8With 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; the 60 with the most exceedances of 64 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Silver, potentially dissolved | 0 | 45 | 13 | December 31, 2008 | 1,251% over the limit |
| Mercury, total [as Hg] | 1 | 15 | 4 | March 31, 2009 | 441% over the limit |
| Chloride [as Cl] | 2 | 4 | 3 | December 31, 2021 | 111,900% over the limit |
| Nitrogen, nitrate total [as N] | 0 | 29 | 2 | March 31, 2023 | 9% over the limit |
| Copper, potentially dissolved | 6 | 33 | 1 | February 28, 2018 | 8% over the limit |
| Chlorine, total residual | 1 | 11 | 1 | November 30, 2023 | 50% over the limit |
| Zinc, potentially dissolved | 4 | 9 | 1 | May 31, 2023 | 5% over the limit |
| pH | 2 | 9 | 1 | December 31, 2010 | |
| Temperature, water deg. centigrade | 2 | 70 | 0 | ||
| Lead, potentially dissolvd | 2 | 64 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 41 | 0 | ||
| Cadmium, potentially dissolvd | 2 | 27 | 0 | ||
| Solids, total suspended | 4 | 22 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 22 | 0 | ||
| Solids, total dissolved | 4 | 18 | 0 | ||
| Nitrogen, ammonia total [as N] | 31 | 14 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 14 | 0 | ||
| Arsenic, total [as As] | 0 | 8 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 6 | 0 | ||
| Selenium, potentially dissolvd | 2 | 6 | 0 | ||
| Cyanide, total [as CN] | 0 | 6 | 0 | ||
| Cadmium, total [as Cd] | 0 | 6 | 0 | ||
| Chromium, total [as Cr] | 0 | 6 | 0 | ||
| Copper, total [as Cu] | 0 | 6 | 0 | ||
| Lead, total [as Pb] | 0 | 6 | 0 | ||
| Molybdenum, total [as Mo] | 0 | 6 | 0 | ||
| Nickel, total [as Ni] | 0 | 6 | 0 | ||
| Zinc, total [as Zn] | 0 | 6 | 0 | ||
| Nickel, potentially dissolvd | 0 | 6 | 0 | ||
| Phenols | 0 | 6 | 0 | ||
| Silver, total [as Ag] | 0 | 5 | 0 | ||
| Selenium, total [as Se] | 0 | 5 | 0 | ||
| Oil and grease | 1 | 4 | 0 | ||
| BOD, 5-day, percent removal | 1 | 4 | 0 | ||
| Solids, suspended percent removal | 1 | 4 | 0 | ||
| Oil and grease visual | 1 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 4 | 0 | ||
| Chromium, trivalent, potentially dissolvd | 0 | 4 | 0 | ||
| Manganese, potentially dissolvd | 0 | 4 | 0 | ||
| E. coli, thermotol, MF, MTEC | 0 | 4 | 0 | ||
| Coliform, fecal general | 0 | 4 | 0 | ||
| Chromium, trivalent dissolved, as Cr | 0 | 4 | 0 | ||
| Arsenic, total recoverable | 1 | 3 | 0 | ||
| Iron, total recoverable | 0 | 3 | 0 | ||
| Chromium, trivalent total recoverable | 0 | 3 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 2 | 0 | ||
| E. coli | 2 | 2 | 0 | ||
| Sulfate | 2 | 2 | 0 | ||
| Cyanide, weak acid, dissociable | 0 | 2 | 0 | ||
| Total phenols | 0 | 2 | 0 | ||
| Sulfide-hydrogen sulfide [undissociated] | 0 | 2 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 0 | 2 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 0 | 2 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| %Effect Static Renewal 7Day Chronic Pimephales promelas | 0 | 2 | 0 | ||
| Nitrogen, inorganic total | 1 | 1 | 0 | ||
| Nickel, total recoverable | 0 | 1 | 0 | ||
| Lead, total recoverable | 0 | 1 | 0 | ||
| Molybdenum, total recoverable | 0 | 1 | 0 | ||
| Arsenic, potentially dissolved | 0 | 1 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 15, 2020 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
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.
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Nearby on the register
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- Every permit record in San Miguel County, A to Z
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- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.