Non-Compliance
Clean Water Act
RIO DELL POTW
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $21,000 in total penalties since records began.
- Address
-
475 HILLTOP AVENUE
RIO DELL, CA 95562
View on map ↗ - County
- HUMBOLDT County
- Inspections
- 1 · last Jun 8, 2021
- Total Penalties
- $21,000 · last Oct 28, 2022
- Registry ID
- 110000736231
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.
12
Water (CWA)
Qtrs Non-Compliant
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 | Schedule Event unachieved and not reported | Oct 31, 2022 | Jan 30, 2023 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Sep 30, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Sep 21, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 22, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 1, 2021 | — | Open |
| cwa | Monitoring Violations - Analysis not Conducted | Jan 31, 2018 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 29, 2002 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Sep 18, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | May 24, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | May 13, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | May 12, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | May 6, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | May 5, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 29, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 28, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 22, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 21, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 19, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 15, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 14, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 8, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 7, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 1, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 31, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 25, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 24, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 18, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 17, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 11, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 10, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 4, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 3, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 25, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 24, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 19, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 18, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 17, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 11, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 10, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 8, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 4, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 3, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 28, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 27, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 21, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 20, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 15, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 14, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 13, 2001 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 6, 2001 | — | Open |
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 |
|---|---|---|---|---|---|---|
| Coliform, total general | DMR, Limited - Numeric Violation | 1.80 MPN/100mL | 240.00 | +99,999% | Nov 2025 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1.80 MPN/100mL | 23.00 | +99,999% | Nov 2025 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1.80 MPN/100mL | 23.00 | +99,999% | Sep 2025 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1.80 MPN/100mL | 23.00 | +99,999% | Jul 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 12.00 mg/L | 10.00 | +20% | Jun 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.21 mg/L | 0.02 | +5,965% | May 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.80 mg/L | 0.01 | +7,930% | May 2025 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.43 mg/L | 0.02 | +7,070% | Apr 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.67 mg/L | 0.01 | +6,580% | Apr 2025 | Resolved |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +9% | Jan 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 2.22 MGD | 1.50 | +48% | Nov 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.52 MGD | 0.39 | +33% | Nov 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.75 mg/L | 0.02 | +8,665% | Apr 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.39 mg/L | 0.01 | +13,750% | Apr 2024 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.31 mg/L | 0.01 | +12,980% | Apr 2024 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.76 mg/L | 0.02 | +8,715% | Apr 2024 | Open |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +28% | Apr 2024 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.82 mg/L | 0.01 | +18,100% | Mar 2024 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.30 mg/L | 0.02 | +11,385% | Mar 2024 | Open |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +3% | Mar 2024 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.69 MGD | 0.39 | +77% | Mar 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.66 MGD | 1.50 | +11% | Mar 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.30 mg/L | 0.02 | +11,385% | Mar 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.82 mg/L | 0.01 | +18,100% | Mar 2024 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.72 mg/L | 0.02 | +13,500% | Feb 2024 | Open |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +20% | Feb 2024 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 2.04 MGD | 1.50 | +36% | Feb 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.72 mg/L | 0.02 | +13,500% | Feb 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.05 mg/L | 0.01 | +20,410% | Feb 2024 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 73.00 % | 85.00 | +80% | Feb 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.87 MGD | 0.39 | +121% | Feb 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.05 mg/L | 0.01 | +20,410% | Feb 2024 | Resolved |
| Chlorodibromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +7% | Jan 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.78 MGD | 0.39 | +98% | Jan 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.92 mg/L | 0.01 | +19,100% | Jan 2024 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.27 mg/L | 0.02 | +11,245% | Jan 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.92 mg/L | 0.01 | +19,100% | Jan 2024 | Resolved |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +5% | Jan 2024 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.64 MGD | 1.50 | +9% | Jan 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.27 mg/L | 0.02 | +11,245% | Jan 2024 | Open |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +261% | Dec 2023 | Open |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +609% | Dec 2023 | Resolved |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +202% | Mar 2023 | Open |
| Chlorodibromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +25% | Mar 2023 | Open |
| Haloacetic acids [HAA5] | DMR, Limited - Numeric Violation | 0.09 mg/L | 0.06 | +50% | Mar 2023 | Resolved |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +493% | Mar 2023 | Resolved |
| Chlorodibromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +150% | Mar 2023 | Resolved |
| Dichlorobromomethane | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +873% | Feb 2023 | Open |
| Chlorodibromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +111% | Feb 2023 | Open |
| Chlorodibromomethane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +323% | Feb 2023 | Resolved |
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.
State CWA Penalty AO
Clean Water Act
· Case CA-N00003509
State CWA Penalty AO
Clean Water Act
· Case CA-N00004028
State CWA Penalty AO
Clean Water Act
· Case CA-N00002556
State CWA Non Penalty AO
Clean Water Act
· Case CA-CFEA453956 · May 23, 2023
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA452870 · May 15, 2023
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA450381 · Oct 28, 2022
$21,000
State CWA Non Penalty AO
Clean Water Act
· Case CA-2017-0045 · Oct 20, 2017
State CWA Penalty AO
Clean Water Act
· Case CA-2012-1075 · Aug 13, 2013
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00002440 · Jun 21, 2005
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00000983 · May 15, 2003
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