Clean Water Act discharge permit · NPDES WAG641009
CATHLAMET WTP, Cathlamet, WA: NPDES WAG641009 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CATHLAMET WTP, held by Town of Cathlamet, holds NPDES permit WAG641009. EPA’s file records it issued July 17, 2019 and expiring August 31, 2024.
CATHLAMET WTP, Cathlamet, Washington: Coverage under a general permit WAG641009, held by Town of Cathlamet; Administratively continued (past its expiration date and still in force until reissued); issued July 17, 2019, term to August 31, 2024, by State.
- pH: 2 limits, 58 violations of any kind, 0 effluent exceedances.
- Turbidity: 1 limit, 57 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 1 limit, 57 violations of any kind, 0 effluent exceedances.
- Number of Events: 2 limits, 56 violations of any kind, 0 effluent exceedances.
- Volume, total: 2 limits, 56 violations of any kind, 0 effluent exceedances.
- Solids, settleable: 1 limit, 56 violations of any kind, 0 effluent exceedances.
- Arsenic, dissolved [as As]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Arsenic, total [as As]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Other permits held by Town of Cathlamet
- CATHLAMET STP, Cathlamet: WA0022667, issued April 12, 2022
CATHLAMET WTP among its neighbors
EPA’s permit file holds 2 discharge permits in the Middle Elochoman River subwatershed (HUC 170800030502), WAG641009 among them. Its county holds 7, 0 of them major permits; WAG641009 is a minor permit.
Other permits in the Middle Elochoman River subwatershed (HUC 170800030502)
- ELOCHOMAN HATCHERY UPPER WEIR REMOVAL & ENGINEERED LOG JAM PLACEMENT, Cathlamet: WAR315800, minor permit, permit term to December 31, 2030
Identity
| Facility as filed | CATHLAMET WTP |
|---|---|
| Permittee as filed | Town of Cathlamet |
| NPDES ID | WAG641009 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 17, 2019 |
| Expiration date | August 31, 2024 |
| Issuing agency | State |
| Address | Cathlamet, WA 98612 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Middle Elochoman River (HUC 170800030502) |
| SIC | 4941 – Water Supply |
Effluent limits and exceedances
- 8Pollutants on file
- 6Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| pH | 2 | 58 | 0 | ||
| Turbidity | 1 | 57 | 0 | ||
| Chlorine, total residual | 1 | 57 | 0 | ||
| Number of Events | 2 | 56 | 0 | ||
| Volume, total | 2 | 56 | 0 | ||
| Solids, settleable | 1 | 56 | 0 | ||
| Arsenic, dissolved [as As] | 0 | 6 | 0 | ||
| Arsenic, total [as As] | 0 | 6 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WAG641009.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WAG641009.
Inspections
EPA’s inspection file holds no inspection for NPDES WAG641009.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES WAG641009.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.