SHERIDAN WWTP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
23200 SCHANTZ RD
SHERIDAN, OR 97378
View on map ↗ - County
- YAMHILL County
- Inspections
- 1 · last Oct 25, 2023
- Total Penalties
- $0
- Registry ID
- 110006696398
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | Apr 1, 2025 | Jul 7, 2025 | Resolved |
| cwa | Management Practice Violations - Best Management Practice Deficiencies | Oct 1, 2023 | Dec 8, 2023 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Nov 1, 2020 | Dec 8, 2023 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Dec 31, 2016 | Feb 2, 2017 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.10 mg/L | 3.10 | +32% | Feb 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.90 mg/L | 8.00 | +11% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.30 mg/L | 3.10 | +103% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.30 mg/L | 3.10 | +39% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.10 mg/L | 3.10 | +32% | Nov 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.40 mg/L | 3.10 | +74% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 65.00 mg/L | 50.00 | +30% | Feb 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.30 mg/L | 3.10 | +6% | Jan 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.00 mg/L | 3.10 | +158% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.70 mg/L | 8.00 | +9% | Dec 2023 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 19.92 gal | 0.00 | +2,147,483,650% | Jun 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 60.50 % | 65.00 | +13% | Jan 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Overdue | 60.50 % | 65.00 | +13% | Jan 2022 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.