Clean Water Act discharge permit · NPDES WAR004126
TOLT TREATMENT FACILITY, Duvall, WA: NPDES WAR004126 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
TOLT TREATMENT FACILITY, held by American Water Services CMD, holds NPDES permit WAR004126. EPA’s file records it issued November 20, 2019 and expiring December 31, 2024. 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 | TOLT TREATMENT FACILITY |
|---|---|
| Permittee as filed | American Water Services CMD |
| NPDES ID | WAR004126 |
| 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 | November 20, 2019 |
| Expiration date | December 31, 2024 |
| Issuing agency | State |
| Address | Duvall, WA 98019 |
| Subwatershed | Lower North Fork Tolt River (HUC 171100100502) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Turbidity | 2 | 20 | 2 | December 31, 2023 | |
| Copper, total [as Cu] | 2 | 20 | 2 | September 30, 2024 | 64% over the limit |
| pH | 4 | 36 | 0 | ||
| Zinc, total [as Zn] | 2 | 18 | 0 | ||
| Oil and grease visual | 2 | 18 | 0 |
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 WAR004126.
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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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 WAR004126 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.