Non-Compliance
Clean Water Act
DORCHESTER CO LOWER DORCHESTER WWTP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $7,000 in total penalties since records began.
- Address
-
OFF D.CHESTER RD OFF SC 542
DORCHESTER, SC 29437
View on map ↗ - County
- DORCHESTER County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 7 · last May 12, 2025
- Total Penalties
- $7,000 · last Apr 11, 2024
- Registry ID
- 110009793633
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.
10
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 | Pretreatment - Failure to Meet Inspection and Sampling Plan for SIUs | Feb 22, 2024 | — | Open |
| cwa | Pretreatment - IU Violation of Pretreatment Standards | Jul 12, 2023 | — | Open |
| cwa | Pretreatment - Failure to Meet Inspection and Sampling Plan for SIUs | Jul 12, 2023 | — | Open |
| cwa | Pretreatment - Failure to Meet Inspection and Sampling Plan for SIUs | Feb 15, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 23, 2016 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2006 | Oct 11, 2006 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 1, 2006 | — | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 113.14 kg/d | 24.06 | +370% | Apr 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.60 mg/L | 1.20 | +533% | Apr 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 250.38 kg/d | 36.32 | +589% | Apr 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.30 mg/L | 0.80 | +313% | Apr 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 113.14 kg/d | 24.06 | +370% | Mar 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 250.38 kg/d | 36.32 | +589% | Mar 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.30 mg/L | 0.80 | +313% | Mar 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.60 mg/L | 1.20 | +533% | Mar 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 79.77 kg/d | 72.64 | +10% | Jan 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.60 mg/L | 2.40 | +8% | Jan 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 51.53 kg/d | 48.58 | +6% | Jan 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 90.94 kg/d | 36.32 | +150% | Sep 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.30 mg/L | 1.20 | +175% | Sep 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.60 mg/L | 0.80 | +100% | Sep 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 43.95 kg/d | 24.06 | +83% | Sep 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 84.35 kg/d | 24.06 | +251% | Aug 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 160.13 kg/d | 36.32 | +341% | Aug 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.20 mg/L | 1.20 | +417% | Aug 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.00 mg/L | 0.80 | +275% | Aug 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.10 mg/L | 0.80 | +38% | May 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 26.92 kg/d | 24.06 | +12% | May 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.50 mg/L | 1.20 | +25% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 41.13 kg/d | 36.32 | +13% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.90 mg/L | 0.80 | +13% | Apr 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 67.83 kg/d | 48.58 | +40% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 122.04 kg/d | 72.64 | +68% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.40 mg/L | 1.60 | +50% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.30 mg/L | 2.40 | +79% | Jan 2023 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 41.00 % | 25.00 | +64% | Jul 2022 | Open |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 72.00 % | 40.00 | +80% | Jul 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 433.12 kg/d | 318.25 | +36% | Jun 2022 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 16.00 mg/L | 10.50 | +52% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.50 mg/L | 0.80 | +88% | May 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 38.00 kg/d | 24.06 | +58% | May 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.70 mg/L | 1.20 | +208% | May 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 92.93 kg/d | 36.32 | +156% | May 2022 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 111.00 MPN/100mL | 104.00 | +7% | Mar 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 40.50 kg/d | 36.32 | +11% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.50 mg/L | 1.20 | +25% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 706.83 kg/d | 36.32 | +1,846% | Jun 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 104.00 | +2,227% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.78 mg/L | 0.80 | +1,623% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 378.46 kg/d | 24.06 | +1,473% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.87 mg/L | 1.20 | +1,973% | Jun 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 37.00 MPN/100mL | 35.00 | +6% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 41.00 kg/d | 36.32 | +13% | May 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.84 mg/L | 0.80 | +5% | May 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.73 mg/L | 1.20 | +44% | May 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 273.76 kg/d | 36.32 | +654% | Mar 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.67 mg/L | 1.20 | +789% | Mar 2018 | 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 Administrative Order of Consent
Clean Water Act
· Case SC-10684215844584434 · Apr 11, 2024
$7,000
State Administrative Order of Consent
Clean Water Act
· Case SC-16-031-w · Sep 23, 2016
$8,400
State Administrative Order of Consent
Clean Water Act
· Case SC-N00017335 · Oct 6, 2004
$19,000
State Administrative Order of Consent
Clean Water Act
· Case SC-N00015014 · Aug 29, 2002
$8,400
State Administrative Order of Consent
Clean Water Act
· Case SC-N00013665 · Oct 3, 2000
$10,500
State Administrative Order of Consent
Clean Water Act
· Case SC-N00009506 · Feb 25, 1999
$6,875
CWA 309A AO For Compliance
Clean Water Act
· Case 04-1995-N028 · Dec 29, 1994
CWA 309A AO For Compliance
Clean Water Act
· Case 04-1994-N044 · Mar 4, 1994
State Administrative Order of Consent
Clean Water Act
· Case SC-N00002304 · Feb 11, 1994
State CWA Non Penalty AO
Clean Water Act
· Case SC-N00000851 · Jun 26, 1987
State CWA Non Penalty AO
Clean Water Act
· Case SC-N00000849 · Jun 26, 1987
State Administrative Order of Consent
Clean Water Act
· Case SC-N00000842 · Jun 26, 1987
State Administrative Order of Consent
Clean Water Act
· Case SC-N00000841 · Nov 20, 1986
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