Clean Water Act discharge permit · NPDES COR901729
LARIMER COUNTY NORTH LANDFILL, Wellington, CO: NPDES COR901729 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 44Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LARIMER COUNTY NORTH LANDFILL, held by Larimer County, holds NPDES permit COR901729, which discharges to Unnamed Trib To Box Elder/Unnamed Tribs To Coal Cr. EPA’s file records it issued June 5, 2026 and expiring June 30, 2029. 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 | LARIMER COUNTY NORTH LANDFILL |
|---|---|
| Permittee as filed | Larimer County |
| NPDES ID | COR901729 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | June 5, 2026 |
| Expiration date | June 30, 2029 |
| Address | Wellington, CO 80549 |
| Receiving water | unnamed trib to Box Elder/unnamed tribs to Coal Cr |
| Subwatershed | Lower Boxelder Creek (HUC 101900070903) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 44Pollutants on file
- 44Under 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 3 | 0 | ||
| Iron, total recoverable | 3 | 3 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 3 | 3 | 0 | ||
| Perfluorobutanoic acid (PFBA) | 3 | 3 | 0 | ||
| Perfluorooctanesulfonamide (PFOSA) | 3 | 3 | 0 | ||
| Perfluoropentanoic acid (PFPeA) | 3 | 3 | 0 | ||
| Perfluorohexanoic acid (PFHxA) | 3 | 3 | 0 | ||
| Perfluoroheptanoic acid (PFHpA) | 3 | 3 | 0 | ||
| Perfluorononanoic acid (PFNA) | 3 | 3 | 0 | ||
| Perfluorodecanoic acid (PFDA) | 3 | 3 | 0 | ||
| Perfluoroundecanoic acid (PFUnA) | 3 | 3 | 0 | ||
| Perfluorododecanoic acid (PFDoA) | 3 | 3 | 0 | ||
| Perfluorotridecanoic acid (PFTrDA) | 3 | 3 | 0 | ||
| Perfluorotetradecanoic acid (PFTeDA) | 3 | 3 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | 3 | 3 | 0 | ||
| N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | 3 | 3 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | 3 | 3 | 0 | ||
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | 3 | 3 | 0 | ||
| Perfluorobutanesulfonic acid (PFBS) | 3 | 3 | 0 | ||
| Perfluorodecanesulfonic acid (PFDS) | 3 | 3 | 0 | ||
| Perfluoroheptanesulfonic acid (PFHpS) | 3 | 3 | 0 | ||
| Perfluorohexanesulfonic acid (PFHxS) | 3 | 3 | 0 | ||
| Perfluorooctanesulfonic acid (PFOS) | 3 | 3 | 0 | ||
| 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | 3 | 3 | 0 | ||
| 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | 3 | 3 | 0 | ||
| 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | 3 | 3 | 0 | ||
| Perfluoropentanesulfonic acid (PFPeS) | 3 | 3 | 0 | ||
| Perfluorononanesulfonic acid (PFNS) | 3 | 3 | 0 | ||
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | 3 | 3 | 0 | ||
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | 3 | 3 | 0 | ||
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | 3 | 3 | 0 | ||
| Perfluorododecanesulfonic acid (PFDoS) | 3 | 3 | 0 | ||
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | 3 | 3 | 0 | ||
| N-methyl perfluorooctanesulfonamide (NMeFOSA) | 3 | 3 | 0 | ||
| N-ethyl perfluorooctanesulfonamide (NEtFOSA) | 3 | 3 | 0 | ||
| PFAS Sum | 3 | 3 | 0 | ||
| 3-Perfluoropropyl propanoic acid (3:3 FTCA) | 3 | 3 | 0 | ||
| Perfluoro-3-methoxypropanoic acid (PFMPA) | 3 | 3 | 0 | ||
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | 3 | 3 | 0 | ||
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | 3 | 3 | 0 | ||
| 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | 3 | 3 | 0 | ||
| Perfluoro-4-methoxybutanoic acid (PFMBA) | 3 | 3 | 0 | ||
| 2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA) | 3 | 3 | 0 | ||
| Are You In Compliance | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR901729.
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 COR901729.
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
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.