Velarion Records

Clean Water Act discharge permit · NPDES COG589153

LAST DOLLAR WWTF, San Miguel County, CO: NPDES COG589153 discharge permit, effluent exceedances, inspections, penalties

LAST DOLLAR WWTF, held by Last Dollar PUD HOA, holds NPDES permit COG589153, which discharges to San Miguel River. EPA’s file records it issued September 30, 2020 and expiring September 30, 2023. 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 filedLAST DOLLAR WWTF
Permittee as filedLast Dollar PUD HOA
NPDES IDCOG589153
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 30, 2020
Expiration dateSeptember 30, 2023
AddressSan Miguel County, CO 81435
Receiving waterSan Miguel River
SubwatershedHeadwaters San Miguel River (HUC 140300030106)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, inorganic total22121December 31, 2025370% over the limit
Zinc, potentially dissolved233September 30, 2025747% over the limit
Nitrogen, ammonia total [as N]2422February 29, 2024424% over the limit
BOD, 5-day, 20 deg. C622August 31, 202253% over the limit
Solids, total suspended422August 31, 2022180% over the limit
E. coli222June 30, 2025733% over the limit
Flow, in conduit or thru treatment plant400
Solids, total dissolved300
Plant capacity fact. percent of capacity200
pH200
Aluminum, total recoverable200
Cadmium, potentially dissolvd200
Chlorine, total residual200
BOD, carbonaceous [5 day, 20 C]200
Oil and grease100
BOD, 5-day, percent removal100
Solids, suspended percent removal100
Oil and grease visual100

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES COG589153.

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, COG589153.

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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 COG589153 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

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