Clean Water Act discharge permit · NPDES COG591174
ROCKY MOUNTAIN RAIL PARK WWTP, Bennett, CO: NPDES COG591174 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 97Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ROCKY MOUNTAIN RAIL PARK WWTP, held by Rocky Mountain Rail Park Metro Dist, holds NPDES permit COG591174, which discharges to Crooked Creek. EPA’s file records it issued May 10, 2023 and expiring December 31, 2028. 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 | ROCKY MOUNTAIN RAIL PARK WWTP |
|---|---|
| Permittee as filed | Rocky Mountain Rail Park Metro Dist |
| NPDES ID | COG591174 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 10, 2023 |
| Expiration date | December 31, 2028 |
| Address | Bennett, CO 80102 |
| Receiving water | Crooked Creek |
| Subwatershed | Settlement of Manila (HUC 101900030902) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 97Pollutants on file
- 97Under a numeric limit
- 43With a violation of any kind
- 0With 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 97 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 6 | 18 | 0 | ||
| Solids, total suspended | 4 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Nitrogen, inorganic total | 7 | 9 | 0 | ||
| Phosphorus, total [as P] | 5 | 9 | 0 | ||
| Zinc, potentially dissolved | 4 | 9 | 0 | ||
| Chlorine, total residual | 4 | 9 | 0 | ||
| Nitrogen, ammonia total [as N] | 40 | 6 | 0 | ||
| Aluminum, total recoverable | 4 | 6 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 4 | 6 | 0 | ||
| Silver, potentially dissolved | 4 | 6 | 0 | ||
| Copper, potentially dissolved | 4 | 6 | 0 | ||
| Cadmium, potentially dissolvd | 4 | 6 | 0 | ||
| Lead, potentially dissolvd | 4 | 6 | 0 | ||
| Manganese, potentially dissolvd | 4 | 6 | 0 | ||
| Nickel, potentially dissolvd | 4 | 6 | 0 | ||
| Selenium, potentially dissolvd | 4 | 6 | 0 | ||
| Uranium, potentially dissolvd | 4 | 6 | 0 | ||
| E. coli | 4 | 6 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 6 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Nitrogen, nitrite total [as N] | 2 | 6 | 0 | ||
| Mercury, total [as Hg] | 4 | 3 | 0 | ||
| Chloride [as Cl] | 3 | 3 | 0 | ||
| Arsenic, total recoverable | 3 | 3 | 0 | ||
| Iron, total recoverable | 3 | 3 | 0 | ||
| Nickel, total recoverable | 3 | 3 | 0 | ||
| Cadmium, total recoverable | 3 | 3 | 0 | ||
| Lead, total recoverable | 3 | 3 | 0 | ||
| Molybdenum, total recoverable | 3 | 3 | 0 | ||
| Arsenic, potentially dissolved | 3 | 3 | 0 | ||
| Chromium, trivalent, potentially dissolvd | 3 | 3 | 0 | ||
| Chromium, trivalent total recoverable | 3 | 3 | 0 | ||
| Sulfide-hydrogen sulfide [undissociated] | 3 | 3 | 0 | ||
| Methanol, total | 3 | 3 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 3 | 3 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 3 | 3 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 3 | 0 | ||
| Oil and grease | 1 | 3 | 0 | ||
| BOD, 5-day, percent removal | 1 | 3 | 0 | ||
| Solids, suspended percent removal | 1 | 3 | 0 | ||
| Sulfate | 1 | 3 | 0 | ||
| Oil and grease visual | 1 | 3 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 2 | 0 | 0 | ||
| Perfluorobutanoic acid (PFBA) | 2 | 0 | 0 | ||
| Perfluorooctanesulfonamide (PFOSA) | 2 | 0 | 0 | ||
| Perfluoropentanoic acid (PFPeA) | 2 | 0 | 0 | ||
| Perfluorohexanoic acid (PFHxA) | 2 | 0 | 0 | ||
| Perfluoroheptanoic acid (PFHpA) | 2 | 0 | 0 | ||
| Perfluorononanoic acid (PFNA) | 2 | 0 | 0 | ||
| Perfluorodecanoic acid (PFDA) | 2 | 0 | 0 | ||
| Perfluoroundecanoic acid (PFUnA) | 2 | 0 | 0 | ||
| Perfluorododecanoic acid (PFDoA) | 2 | 0 | 0 | ||
| Perfluorotridecanoic acid (PFTrDA) | 2 | 0 | 0 | ||
| Perfluorotetradecanoic acid (PFTeDA) | 2 | 0 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | 2 | 0 | 0 | ||
| N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | 2 | 0 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | 2 | 0 | 0 | ||
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | 2 | 0 | 0 | ||
| Perfluorobutanesulfonic acid (PFBS) | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG591174.
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 COG591174.
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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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 COG591174 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.