KENNETT SQUARE BORO 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
-
660 WEST SOUTH ST
KENNETT SQUARE, PA 19348
View on map ↗ - County
- CHESTER County
- Inspections
- 8 · last Jan 10, 2026
- Total Penalties
- $0 · last Aug 4, 2014
- Registry ID
- 110039747637
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 | Permit Violations - Failure to Pay Fees | Jan 10, 2026 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Sep 25, 2025 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Sep 25, 2025 | — | Open |
| cwa | Monitoring Violations - Analysis not Conducted | Jan 15, 2025 | — | Open |
| cwa | Management Practice Violations - No Licensed/Certified Operator | Jan 15, 2025 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Jan 15, 2025 | — | Open |
| cwa | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | Jan 15, 2025 | — | Open |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Jan 15, 2025 | — | Open |
| cwa | Permit Violations - Failure to Pay Fees | Jan 9, 2025 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Oct 24, 2024 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Oct 23, 2024 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Oct 22, 2024 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Oct 22, 2024 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Oct 22, 2024 | — | Open |
| cwa | Management Practice Violations - Best Management Practice Deficiencies | Oct 22, 2024 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Oct 22, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Oct 22, 2024 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Jul 9, 2024 | — | Open |
| cwa | Management Practice Violations - Failure to Conduct Inspections | Dec 31, 2004 | Dec 31, 2005 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Dec 1, 2003 | Dec 29, 2003 | Resolved |
| cwa | Pretreatment - Failure to Issue SIU Permits | Dec 31, 2002 | Nov 30, 2003 | Resolved |
| cwa | Pretreatment - Failure to Enforce Against I/U | Dec 31, 2001 | Dec 31, 2002 | Resolved |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Dec 31, 2001 | Dec 31, 2002 | Resolved |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Dec 31, 1999 | Jun 26, 2001 | Resolved |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Dec 31, 1996 | Dec 30, 1998 | Resolved |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Dec 31, 1994 | Aug 23, 1995 | 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 |
|---|---|---|---|---|---|---|
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.13 kg/d | 0.10 | +29% | Jan 2026 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.32 mg/L | 0.13 | +144% | Jan 2026 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.32 mg/L | 0.20 | +56% | Jan 2026 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.02 | +259% | Jan 2026 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 16.14 mg/L | 10.00 | +61% | Jan 2026 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.82 mg/L | 2.00 | +41% | Jan 2026 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.02 | +130% | Jan 2026 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.13 kg/d | 0.06 | +103% | Jan 2026 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.75 kg/d | 0.54 | +38% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.07 mg/L | 6.00 | +35% | Jan 2026 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 14.85 mg/L | 10.00 | +48% | Dec 2025 | Resolved |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.08 kg/d | 0.06 | +21% | Dec 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +36% | Dec 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +112% | Dec 2025 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.28 mg/L | 0.13 | +111% | Nov 2025 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 1.08 kg/d | 0.85 | +27% | Nov 2025 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.59 kg/d | 0.54 | +8% | Nov 2025 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.50 mg/L | 0.20 | +145% | Nov 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,413.56 mg/L | 30.00 | +4,612% | Oct 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 68,670.00 MPN/100mL | 1,000.00 | +6,767% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2,792.15 kg/d | 187.05 | +1,393% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,413.56 mg/L | 45.00 | +3,041% | Oct 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 73.39 kg/d | 41.68 | +76% | Oct 2025 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 37.16 mg/L | 10.00 | +272% | Oct 2025 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 940.80 MPN/100mL | 200.00 | +370% | Oct 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 37.16 mg/L | 20.00 | +86% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2,792.15 kg/d | 124.85 | +2,136% | Oct 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 25.25 mg/L | 20.00 | +26% | Sep 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 25.25 mg/L | 10.00 | +152% | Sep 2025 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 51.09 kg/d | 41.68 | +23% | Sep 2025 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,991.00 MPN/100mL | 1,000.00 | +199% | Aug 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.50 mg/L | 1.30 | +15% | Aug 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 7.06 kg/d | 5.45 | +30% | Jun 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 3.06 mg/L | 1.30 | +135% | Jun 2025 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.40 mg/L | 6.00 | +10% | Jun 2025 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.12 mg/L | 6.00 | +31% | May 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Overdue | 2.28 mg/L | 1.30 | +75% | May 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.28 mg/L | 1.30 | +75% | May 2025 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Overdue | 4.12 mg/L | 6.00 | +31% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.88 mg/L | 6.00 | +65% | Mar 2025 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 26.18 mg/L | 20.00 | +31% | Mar 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 26.18 mg/L | 10.00 | +162% | Mar 2025 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 49.15 kg/d | 41.68 | +18% | Mar 2025 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 24,196.00 MPN/100mL | 1,000.00 | +2,320% | Mar 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +18% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 60.12 kg/d | 24.97 | +141% | Feb 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 30.75 mg/L | 6.00 | +413% | Feb 2025 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 3,132.00 MPN/100mL | 200.00 | +1,466% | Feb 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 38.60 mg/L | 20.00 | +93% | Feb 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 75.46 kg/d | 41.68 | +81% | Feb 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.