Clean Water Act discharge permit · NPDES WA0044962
PASCO WWTP, Pasco, WA: NPDES WA0044962 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 0Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
PASCO WWTP, held by City of Pasco, holds NPDES permit WA0044962. EPA’s file records it issued June 29, 2010 and expiring June 30, 2015. 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 | PASCO WWTP |
|---|---|
| Permittee as filed | City of Pasco |
| NPDES ID | WA0044962 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 29, 2010 |
| Expiration date | June 30, 2015 |
| Issuing agency | State |
| Address | Pasco, WA 99301 |
| Subwatershed | City of Kennewick-Columbia River (HUC 170200160604) |
| Other EPA IDs (FRS) | RCRA handler WAH000007179 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 23Pollutants on file
- 0Under a numeric limit
- 23With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 0 | 233 | 15 | October 31, 2021 | 267% over the limit |
| Solids, total suspended | 0 | 472 | 14 | March 31, 2021 | 277% over the limit |
| Coliform, fecal general | 0 | 154 | 2 | March 31, 2021 | 505% over the limit |
| Solids, suspended percent removal | 0 | 3 | 2 | March 31, 2021 | 87% over the limit |
| BOD, percent removal [total] | 0 | 91 | 1 | March 31, 2021 | 40% over the limit |
| pH, maximum | 0 | 3 | 1 | November 30, 2016 | |
| Phenolics, total | 0 | 40 | 0 | ||
| Cyanide, total [as CN] | 0 | 6 | 0 | ||
| Copper, total [as Cu] | 0 | 6 | 0 | ||
| Total phenols | 0 | 6 | 0 | ||
| Temperature, water deg. centigrade | 0 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 4 | 0 | ||
| Phosphorus, total [as P] | 0 | 4 | 0 | ||
| Flow | 0 | 4 | 0 | ||
| Cadmium, total [as Cd] | 0 | 2 | 0 | ||
| Lead, total [as Pb] | 0 | 2 | 0 | ||
| pH, minimum | 0 | 2 | 0 | ||
| Mercury, total [as Hg] | 0 | 2 | 0 | ||
| Arsenic, total [as As] | 0 | 1 | 0 | ||
| Molybdenum, total [as Mo] | 0 | 1 | 0 | ||
| Zinc, total [as Zn] | 0 | 1 | 0 | ||
| Selenium, total [as Se] | 0 | 1 | 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 WA0044962.
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.
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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 WA0044962 there.
Nearby on the register
- Discharge permits in Pasco
- Every permit record in Pasco, A to Z
- Discharge permits in Washington
- Every permit record in Washington, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.