Clean Water Act discharge permit · NPDES WA0050474
VANTAGE POTW, Vantage, WA: NPDES WA0050474 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
VANTAGE POTW, held by Community of Vantage, holds NPDES permit WA0050474. EPA’s file records it issued July 25, 2017 and expiring August 31, 2022.
VANTAGE POTW, Vantage, Washington: Individual permit WA0050474, held by Community of Vantage; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued July 25, 2017, term to August 31, 2022, by State.
- Nitrogen, ammonia total [as N]: 1 limit, 3 violations of any kind, 3 effluent exceedances, latest July 31, 2024, largest 148% over the limit.
- Solids, total suspended: 8 limits, 89 violations of any kind, 1 effluent exceedance, latest May 31, 2009, largest 71% over the limit.
- pH, minimum: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2006.
- BOD, 5-day, 20 deg. C: 8 limits, 88 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. centigrade: 4 limits, 44 violations of any kind, 0 effluent exceedances.
- pH: 4 limits, 44 violations of any kind, 0 effluent exceedances.
- Flow: 4 limits, 44 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 2 limits, 22 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 2 limits, 22 violations of any kind, 0 effluent exceedances.
- Coliform, fecal general: 2 limits, 22 violations of any kind, 0 effluent exceedances.
- BOD, percent removal [total]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Hardness, total [as CaCO3]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Nitrogen, Kjeldahl, total [as N]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Nitrite + Nitrate total [as N]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Oil & grease, non-polar material: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Solids, total dissolved: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Solids, suspended percent removal: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- April 16, 2026: Phone Call/ EMAIL (State).
Washington holds 238 Publicly owned treatment works coverages of this permit type in EPA’s file; 162 were issued before WA0050474.
Coverages issued nearest WA0050474
- March 29, 2017: GRANGER POTW, Granger, WA0022691, held by Mayor of Granger
- March 31, 2017: WESTPORT STP, Westport, WA0020923, held by City of Westport
- June 21, 2017: ENTIAT POTW, Entiat, WA0051276, held by City of Entiat
- June 29, 2017: BAINBRIDGE ISLAND WWTP, Bainbridge Island, WA0020907, held by City of Bainbridge Island
- June 29, 2017: KITSAP COUNTY CENTRAL KITSAP WWTP, Poulsbo, WA0030520, held by Kitsap County Dept Public Works
- August 15, 2017: EVERSON WWTP, Everson, WA0020435, held by EVERSON CITY
- August 21, 2017: FRIDAY HARBOR STP, Friday Harbor, WA0023582, held by FRIDAY HARBOR TOWN
- September 7, 2017: LYNDEN WWTP, Lynden, WA0022578, held by LYNDEN CITY OF
- September 22, 2017: LEAVENWORTH POTW, Leavenworth, WA0020974, held by City of Leavenworth
- September 26, 2017: ZILLAH POTW, Zillah, WA0020168, held by City of Zillah
VANTAGE POTW among its neighbors
EPA’s permit file holds 3 discharge permits in the Ryegrass Coulee-Columbia River subwatershed (HUC 170200100506), WA0050474 among them. Its county holds 76, 1 of them major permits; WA0050474 is a minor permit.
Other permits in the Ryegrass Coulee-Columbia River subwatershed (HUC 170200100506)
- I90 VANTAGE BRIDGE, Vantage: WAR312334, minor permit, permit term to December 31, 2025
- SHORELINE STABILIZATION SITES 1-13, Vantage: WAR124637, minor permit, permit term to December 16, 2010
Identity
| Facility as filed | VANTAGE POTW |
|---|---|
| Permittee as filed | Community of Vantage |
| NPDES ID | WA0050474 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 25, 2017 |
| Expiration date | August 31, 2022 |
| Issuing agency | State |
| Address | Vantage, WA 98950 |
| Subwatershed | Ryegrass Coulee-Columbia River (HUC 170200100506) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 17Pollutants on file
- 16Under a numeric limit
- 16With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 1 | 3 | 3 | July 31, 2024 | 148% over the limit |
| Solids, total suspended | 8 | 89 | 1 | May 31, 2009 | 71% over the limit |
| pH, minimum | 0 | 1 | 1 | September 30, 2006 | |
| BOD, 5-day, 20 deg. C | 8 | 88 | 0 | ||
| Temperature, water deg. centigrade | 4 | 44 | 0 | ||
| pH | 4 | 44 | 0 | ||
| Flow | 4 | 44 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 22 | 0 | ||
| Chlorine, total residual | 2 | 22 | 0 | ||
| Coliform, fecal general | 2 | 22 | 0 | ||
| BOD, percent removal [total] | 1 | 4 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 2 | 0 | ||
| Oil & grease, non-polar material | 1 | 2 | 0 | ||
| Solids, total dissolved | 1 | 2 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0050474.
Inspections
EPA’s inspection file holds no inspection for NPDES WA0050474.
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
| Date | What EPA recorded | Agency |
|---|---|---|
| April 16, 2026 | Phone Call/ EMAIL | State |
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.