Clean Water Act discharge permit · NPDES OR0020346
SWEET HOME STP, Sweet Home, OR: NPDES OR0020346 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
SWEET HOME STP, held by SWEET HOME, CITY OF, holds NPDES permit OR0020346, which discharges to South Santiam River. EPA’s file records it issued April 22, 2005 and expiring March 31, 2010. 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 | SWEET HOME STP |
|---|---|
| Permittee as filed | SWEET HOME, CITY OF |
| NPDES ID | OR0020346 |
| 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 | April 22, 2005 |
| Expiration date | March 31, 2010 |
| Address | Sweet Home, OR 97386 |
| Receiving water | SOUTH SANTIAM RIVER |
| Subwatershed | Ames Creek-South Santiam River (HUC 170900060801) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 15Under a numeric limit
- 10With a violation of any kind
- 7With 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, total suspended | 31 | 122 | 119 | February 28, 2026 | 836% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 31 | 71 | 71 | May 31, 2024 | 817% over the limit |
| E. coli | 4 | 14 | 14 | February 28, 2026 | 99,999% over the limit |
| Chlorine, total residual | 2 | 11 | 11 | January 31, 2024 | 1,840% over the limit |
| pH | 8 | 12 | 10 | May 31, 2024 | |
| Solids, suspended percent removal | 2 | 4 | 3 | September 30, 2022 | 61% over the limit |
| BOD, carbonaceous, percent removal | 2 | 3 | 2 | September 30, 2022 | 135% over the limit |
| Nitrogen, ammonia total [as N] | 1 | 5 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 1 | 0 | ||
| Chlorine usage | 1 | 1 | 0 | ||
| Report due [yrmoda] | 2 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 0 | 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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 29, 2024 | Failure minimize or prevent CSO discharge to waters of the U.S. [40 CFR 122.41(d)] | ST6 |
| March 24, 2024 | Monitoring Violations - Analysis not Conducted | ST6 |
| September 3, 2023 | Monitoring Violations - Analysis not Conducted | ST6 |
| April 13, 2023 | Permit Violations - Unapproved Operation | ST6 |
| April 12, 2023 | Permit Violations - Unapproved Operation | ST6 |
| April 10, 2023 | WW SSO - Discharge to Waters | ST6 |
| April 10, 2023 | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | ST6 |
| January 11, 2020 | Effluent Violations - Unauthorized Discharge | ST6 |
| January 8, 2020 | Effluent Violations - Unauthorized Discharge | ST6 |
| January 1, 2018 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, OR0020346.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
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How we handle your data → Privacy
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 OR0020346 there.
Nearby on the register
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- Every permit record in Oregon, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.