BLACKVILLE WW TREATMENT PLANT
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
-
316 DAVIS ST
BLACKVILLE, SC 29817
View on map ↗ - County
- BARNWELL County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 21 · last Feb 17, 2026
- Total Penalties
- $0 · last Apr 8, 2020
- Registry ID
- 110002235037
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 | Effluent Violations - Numeric effluent violation | Oct 14, 2024 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Sep 24, 2024 | — | Open |
| cwa | Permit Violations - Unapproved Operation | Sep 13, 2024 | — | Open |
| cwa | Management Practice Violations - Failure to Conduct Inspections | Aug 27, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 27, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 16, 2024 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Aug 15, 2024 | — | Open |
| cwa | Management Practice Violations - Laboratory Not Certified | May 9, 2023 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | May 9, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | May 9, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | May 8, 2020 | — | Open |
| cwa | Schedule Event reported late | May 8, 2020 | — | Open |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | May 13, 2019 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | May 13, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | May 13, 2019 | — | Open |
| cwa | Management Practice Violations - No Licensed/Certified Operator | May 13, 2019 | — | Open |
| cwa | Management Practice Violations - Failure to Conduct Inspections | May 13, 2019 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | May 13, 2019 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | May 13, 2019 | — | Open |
| cwa | Management Practice Violations - Violation of a milestone in an order | May 13, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2016 | — | Open |
| cwa | Schedule Event unachieved but reported | Jun 5, 2016 | Apr 8, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 5, 2016 | — | Open |
| cwa | Schedule Event reported late | Jun 5, 2016 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 5, 2016 | Apr 8, 2020 | Resolved |
| cwa | Schedule Event reported late | Nov 3, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 3, 2014 | — | Open |
| cwa | Permit Violations - Failure to Submit Timely Permit Renewal Application | Jul 4, 2014 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Jun 24, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 18, 2009 | — | 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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 20.00 mg/L | 17.40 | +15% | Jan 2026 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 76.00 % | 85.00 | +60% | Jan 2026 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 80.00 % | 85.00 | +33% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.60 mg/L | 2.74 | +250% | Jan 2026 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 35.00 mg/L | 26.10 | +34% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.20 mg/L | 1.83 | +239% | Jan 2026 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 81.80 % | 85.00 | +21% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.00 mg/L | 2.74 | +338% | Nov 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.20 mg/L | 0.02 | +953% | Nov 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.01 | +355% | Nov 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.20 mg/L | 1.83 | +184% | Nov 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 30.00 mg/L | 26.10 | +15% | Nov 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 920.80 MPN/100mL | 349.00 | +164% | Nov 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 72.00 % | 85.00 | +87% | Nov 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,203.30 MPN/100mL | 349.00 | +245% | Oct 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.60 mg/L | 1.86 | +201% | Oct 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.87 mg/L | 1.24 | +51% | Oct 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 349.00 | +593% | Sep 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 563.30 MPN/100mL | 126.00 | +347% | Sep 2025 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.39 mg/L | 6.00 | +10% | Aug 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 36.00 mg/L | 17.40 | +107% | Aug 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 190.14 kg/d | 79.00 | +141% | Aug 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 74.20 % | 85.00 | +72% | Aug 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 54.00 mg/L | 26.10 | +107% | Aug 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 111.55 kg/d | 52.66 | +112% | Aug 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.40 mg/L | 1.24 | +497% | Aug 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 92.07 kg/d | 90.80 | +1% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 140.83 kg/d | 136.20 | +3% | Aug 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 28,774.10 MPN/100mL | 126.00 | +22,737% | Aug 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 35.96 kg/d | 5.45 | +560% | Aug 2025 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +22% | Aug 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 48,392.00 MPN/100mL | 349.00 | +13,766% | Aug 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +10% | Aug 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.00 mg/L | 1.86 | +438% | Aug 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 16.30 % | 85.00 | +458% | Aug 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.88 kg/d | 3.63 | +503% | Aug 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 38.30 % | 85.00 | +311% | Jul 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.80 mg/L | 1.86 | +266% | Jul 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.30 kg/d | 5.45 | +236% | Jul 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 169.34 kg/d | 79.00 | +114% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 226.91 kg/d | 136.20 | +67% | Jul 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 5,664.90 MPN/100mL | 126.00 | +4,396% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.70 mg/L | 30.00 | +52% | Jul 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 56.75 kg/d | 52.66 | +8% | Jul 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.76 kg/d | 3.63 | +86% | Jul 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 84.40 mg/L | 45.00 | +88% | Jul 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 63.00 mg/L | 26.10 | +141% | Jul 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 24,196.00 MPN/100mL | 349.00 | +6,833% | Jul 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | -102.90 % | 85.00 | +1,253% | Jul 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 29.60 mg/L | 17.40 | +70% | Jul 2025 | 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.