Clean Water Act discharge permit · NPDES WAG641000
HOQUIAM WTP, Hoquiam, WA: NPDES WAG641000 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
HOQUIAM WTP, held by City of Hoquiam, holds NPDES permit WAG641000. EPA’s file records it issued July 17, 2019 and expiring August 31, 2024.
HOQUIAM WTP, Hoquiam, Washington: Coverage under a general permit WAG641000, held by City of Hoquiam; Administratively continued (past its expiration date and still in force until reissued); issued July 17, 2019, term to August 31, 2024, by State.
- Solids, settleable: 2 limits, 67 violations of any kind, 1 effluent exceedance, latest November 30, 2024, largest 99,999% over the limit.
- Chlorine, total residual: 2 limits, 66 violations of any kind, 0 effluent exceedances.
- pH: 4 limits, 60 violations of any kind, 0 effluent exceedances.
- Turbidity: 2 limits, 59 violations of any kind, 0 effluent exceedances.
- Number of Events: 2 limits, 59 violations of any kind, 0 effluent exceedances.
- Volume, total: 2 limits, 59 violations of any kind, 0 effluent exceedances.
- Arsenic, dissolved [as As]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Arsenic, total [as As]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Chloride [as Cl]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Iron, total [as Fe]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Iron, dissolved [as Fe]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Manganese, total [as Mn]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Manganese, dissolved [as Mn]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Manganese [total]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Solids, total dissolved: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Other permits held by City of Hoquiam
- HOQUIAM STP, Hoquiam: WA0020915, issued September 14, 2016
- CITY OF HOQUIAM WATER TREATMENT PLANT, Hoquiam: WAR314922, issued November 18, 2020
- BROADWAY AVE SAFETY IMPROVEMENT PROJECT, Hoquiam: WAR315641, issued November 19, 2025
HOQUIAM WTP among its neighbors
EPA’s permit file holds 2 discharge permits in the West Fork Hoquiam River subwatershed (HUC 171001050201), WAG641000 among them. Its county holds 114, 3 of them major permits; WAG641000 is a minor permit.
Other permits in the West Fork Hoquiam River subwatershed (HUC 171001050201)
- CITY OF HOQUIAM WATER TREATMENT PLANT, Hoquiam: WAR314922, minor permit, permit term to December 31, 2025
Identity
| Facility as filed | HOQUIAM WTP |
|---|---|
| Permittee as filed | City of Hoquiam |
| NPDES ID | WAG641000 |
| 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 | Hoquiam, WA 98550 |
| Subwatershed | West Fork Hoquiam River (HUC 171001050201) |
| SIC | 4941 – Water Supply |
Effluent limits and exceedances
- 15Pollutants on file
- 13Under a numeric limit
- 8With a violation of any kind
- 1With 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, settleable | 2 | 67 | 1 | November 30, 2024 | 99,999% over the limit |
| Chlorine, total residual | 2 | 66 | 0 | ||
| pH | 4 | 60 | 0 | ||
| Turbidity | 2 | 59 | 0 | ||
| Number of Events | 2 | 59 | 0 | ||
| Volume, total | 2 | 59 | 0 | ||
| Arsenic, dissolved [as As] | 0 | 4 | 0 | ||
| Arsenic, total [as As] | 0 | 4 | 0 | ||
| Chloride [as Cl] | 4 | 0 | 0 | ||
| Iron, total [as Fe] | 4 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 4 | 0 | 0 | ||
| Manganese, total [as Mn] | 4 | 0 | 0 | ||
| Manganese, dissolved [as Mn] | 4 | 0 | 0 | ||
| Manganese [total] | 4 | 0 | 0 | ||
| Solids, total dissolved | 4 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WAG641000.
Inspections
EPA’s inspection file holds no inspection for NPDES WAG641000.
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 WAG641000.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.