Non-Compliance
Clean Water Act
WEST COUNTY AGENCY COMMON OUTFALL
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $197,000 in total penalties since records began.
- Address
-
2910 HILLTOP DRIVE
RICHMOND, CA 94806
View on map ↗ - County
- CONTRA COSTA County
- Total Penalties
- $197,000 · last Aug 8, 2025
- Registry ID
- 110064252419
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.
7
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.48 mg/L | 30.00 | +2% | Feb 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 76.50 mg/L | 45.00 | +70% | Feb 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 98.00 mg/L | 30.00 | +227% | Feb 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 10,000.00 | +99,999% | Feb 2024 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 724.00 MPN/100mL | 240.00 | +202% | Feb 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 55.32 mg/L | 30.00 | +84% | Dec 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 67.51 mg/L | 45.00 | +50% | Dec 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 72.17 mg/L | 45.00 | +60% | Dec 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Dec 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 80.00 % | 85.00 | +33% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 39.50 mg/L | 30.00 | +32% | Dec 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 51.40 mg/L | 30.00 | +71% | Dec 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 10,000.00 | +99,999% | Nov 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 47.87 mg/L | 45.00 | +6% | Sep 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 63.97 mg/L | 45.00 | +42% | Aug 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 103.94 mg/L | 45.00 | +131% | Jul 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 139.33 mg/L | 45.00 | +210% | Jul 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.22 mg/L | 30.00 | +57% | Jul 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 55.23 mg/L | 30.00 | +84% | Jul 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 89.19 mg/L | 30.00 | +197% | Jun 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 186.43 mg/L | 45.00 | +314% | Jun 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 74.00 % | 85.00 | +73% | Jun 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 152.83 mg/L | 45.00 | +240% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 100.28 mg/L | 30.00 | +234% | Jun 2023 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 58.00 % | 85.00 | +180% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 71.47 mg/L | 30.00 | +138% | May 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 91.14 mg/L | 45.00 | +103% | May 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 135.49 mg/L | 45.00 | +201% | May 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 64.00 % | 85.00 | +140% | May 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 113.35 mg/L | 30.00 | +278% | May 2023 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 65.00 % | 85.00 | +133% | May 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 194.47 mg/L | 45.00 | +332% | Apr 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 126.28 mg/L | 30.00 | +321% | Apr 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 38.85 mg/L | 30.00 | +30% | Apr 2023 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 72.00 % | 85.00 | +87% | Apr 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.01 mg/L | 45.00 | +29% | Apr 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 51.00 % | 85.00 | +227% | Apr 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 47.07 mg/L | 45.00 | +5% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.69 mg/L | 30.00 | +72% | Mar 2023 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 78.00 % | 85.00 | +47% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.04 mg/L | 45.00 | +16% | Mar 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 42.36 mg/L | 30.00 | +41% | Mar 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.28 mg/L | 30.00 | +74% | Mar 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.98 mg/L | 45.00 | +9% | Mar 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 72.00 % | 85.00 | +87% | Mar 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 78.00 % | 85.00 | +47% | Feb 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 60.41 mg/L | 30.00 | +101% | Feb 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 76.67 mg/L | 30.00 | +156% | Feb 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 80.16 mg/L | 45.00 | +78% | Feb 2023 | 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.
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA461683 · Aug 8, 2025
$168,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA449397 · Apr 18, 2023
$29,000
State CWA Penalty AO
Clean Water Act
· Case CA-CFEA433624 · Jul 21, 2020
$36,000
State CWA Penalty AO
Clean Water Act
· Case CA-2013-1119 · Nov 6, 2013
$3,000
State CWA Penalty AO
Clean Water Act
· Case CA-2012-1046 · Jun 13, 2012
$15,000
State CWA Penalty AO
Clean Water Act
· Case CA-2011-1145 · Jul 13, 2011
$24,000
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00004200 · Jan 30, 2008
State CWA Penalty AO
Clean Water Act
· Case CA-N00000886 · Jan 29, 2001
State CWA Penalty AO
Clean Water Act
· Case CA-N00000885 · Nov 29, 2000
State CWA Penalty AO
Clean Water Act
· Case CA-N00002093 · Jul 19, 1995
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00000099 · Oct 31, 1988
State CWA Non Penalty AO
Clean Water Act
· Case CA-N00000105 · Aug 24, 1988
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