Clean Water Act discharge permit · NPDES COG591098
LAKESIDE WWTF, Cortez, CO: NPDES COG591098 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 79Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LAKESIDE WWTF, held by Elegant Hills Park and Estates LLC, holds NPDES permit COG591098, which discharges to Unnamed Trib To Simon Draw/Simon Draw&Mcelmo Crk. EPA’s file records it issued August 19, 2024 and expiring December 31, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LAKESIDE WWTF |
|---|---|
| Permittee as filed | Elegant Hills Park and Estates LLC |
| NPDES ID | COG591098 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 19, 2024 |
| Expiration date | December 31, 2029 |
| Address | Cortez, CO 81321 |
| Receiving water | Unnamed trib to Simon Draw/Simon Draw&McElmo Crk |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Simon Draw (HUC 140802020101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 79Pollutants on file
- 79Under a numeric limit
- 79With 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 79 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 6 | 72 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 48 | 0 | ||
| E. coli | 4 | 36 | 0 | ||
| Nitrogen, ammonia total [as N] | 34 | 33 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 24 | 0 | ||
| pH | 2 | 24 | 0 | ||
| Solids, total suspended | 2 | 24 | 0 | ||
| Chlorine, total residual | 2 | 24 | 0 | ||
| Solids, total dissolved | 4 | 20 | 0 | ||
| Iron, total recoverable | 2 | 12 | 0 | ||
| Sulfide-hydrogen sulfide [undissociated] | 2 | 12 | 0 | ||
| Nitrogen, nitrite total [as N] | 1 | 12 | 0 | ||
| Nitrogen, inorganic total | 1 | 12 | 0 | ||
| Chloride [as Cl] | 1 | 12 | 0 | ||
| Oil and grease | 1 | 12 | 0 | ||
| BOD, 5-day, percent removal | 1 | 12 | 0 | ||
| Sulfate | 1 | 12 | 0 | ||
| Oil and grease visual | 1 | 12 | 0 | ||
| Manganese, dissolved [as Mn] | 2 | 10 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 10 | 0 | ||
| Zinc, potentially dissolved | 2 | 10 | 0 | ||
| Silver, potentially dissolved | 2 | 10 | 0 | ||
| Copper, potentially dissolved | 2 | 10 | 0 | ||
| Cadmium, potentially dissolvd | 2 | 10 | 0 | ||
| Chromium, trivalent, potentially dissolvd | 2 | 10 | 0 | ||
| Lead, potentially dissolvd | 2 | 10 | 0 | ||
| Manganese, potentially dissolvd | 2 | 10 | 0 | ||
| Nickel, potentially dissolvd | 2 | 10 | 0 | ||
| Selenium, potentially dissolvd | 2 | 10 | 0 | ||
| Chromium, trivalent total recoverable | 2 | 10 | 0 | ||
| Arsenic, total recoverable | 1 | 5 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 5 | 0 | ||
| Nickel, total recoverable | 1 | 5 | 0 | ||
| Cadmium, total recoverable | 1 | 5 | 0 | ||
| Lead, total recoverable | 1 | 5 | 0 | ||
| Molybdenum, total recoverable | 1 | 5 | 0 | ||
| Arsenic, potentially dissolved | 1 | 5 | 0 | ||
| Mercury, total [as Hg] | 1 | 5 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 2 | 2 | 0 | ||
| Perfluorobutanoic acid (PFBA) | 2 | 2 | 0 | ||
| Perfluorooctanesulfonamide (PFOSA) | 2 | 2 | 0 | ||
| Perfluoropentanoic acid (PFPeA) | 2 | 2 | 0 | ||
| Perfluorohexanoic acid (PFHxA) | 2 | 2 | 0 | ||
| Perfluoroheptanoic acid (PFHpA) | 2 | 2 | 0 | ||
| Perfluorononanoic acid (PFNA) | 2 | 2 | 0 | ||
| Perfluorodecanoic acid (PFDA) | 2 | 2 | 0 | ||
| Perfluoroundecanoic acid (PFUnA) | 2 | 2 | 0 | ||
| Perfluorododecanoic acid (PFDoA) | 2 | 2 | 0 | ||
| Perfluorotridecanoic acid (PFTrDA) | 2 | 2 | 0 | ||
| Perfluorotetradecanoic acid (PFTeDA) | 2 | 2 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | 2 | 2 | 0 | ||
| N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | 2 | 2 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | 2 | 2 | 0 | ||
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | 2 | 2 | 0 | ||
| Perfluorobutanesulfonic acid (PFBS) | 2 | 2 | 0 | ||
| Perfluorodecanesulfonic acid (PFDS) | 2 | 2 | 0 | ||
| Perfluoroheptanesulfonic acid (PFHpS) | 2 | 2 | 0 | ||
| Perfluorohexanesulfonic acid (PFHxS) | 2 | 2 | 0 | ||
| Perfluorooctanesulfonic acid (PFOS) | 2 | 2 | 0 | ||
| 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | 2 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG591098.
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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 5, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 5, 2025 | Monitoring Violations - No Flow Measurement Device | ST6 |
| June 5, 2025 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| June 5, 2025 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| June 5, 2025 | Permit Violations - Unapproved Operation | 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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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.