Non-Compliance
Clean Water Act
MT PLEASANT BORO STP
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
-
340 CLAY AVE
MOUNT PLEASANT, PA 15666
View on map ↗ - County
- WESTMORELAND County
- Inspections
- 8 · last Sep 17, 2025
- Total Penalties
- $0 · last May 21, 2015
- Registry ID
- 110001100264
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.
1
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 | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | Sep 17, 2025 | Dec 2, 2025 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Oct 11, 2023 | — | Open |
| cwa | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | Oct 11, 2023 | Oct 11, 2023 | Resolved |
| cwa | Effluent Violations - Unapproved Bypass | Jun 22, 2022 | Jun 27, 2022 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Jun 22, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Feb 24, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 17, 1999 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 17, 1999 | Feb 23, 2001 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 17, 1998 | Jan 26, 2001 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 17, 1998 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 27, 1998 | Oct 31, 1999 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 27, 1998 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 1997 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 1997 | May 1, 1997 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jul 1, 1985 | May 31, 1991 | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.62 mg/L | 3.20 | +76% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.02 kg/d | 18.16 | +38% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.55 mg/L | 4.80 | +36% | Jan 2026 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,628.00 MPN/100mL | 1,000.00 | +63% | Jul 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 286.02 kg/d | 215.65 | +33% | Jan 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,049.00 MPN/100mL | 1,000.00 | +5% | Sep 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,306.00 MPN/100mL | 1,000.00 | +31% | Aug 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,827.00 MPN/100mL | 1,000.00 | +83% | Jul 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 298.69 kg/d | 215.65 | +39% | May 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.00 mg/L | 38.00 | +5% | May 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,000.00 | +99,999% | Sep 2020 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.60 mg/L | 5.00 | +8% | Aug 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,000.00 | +99,999% | Aug 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 425.00 MPN/100mL | 200.00 | +113% | Aug 2020 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.90 mg/L | 5.00 | +22% | Jul 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,000.00 | +99,999% | Jul 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 505.00 MPN/100mL | 200.00 | +99,999% | Jul 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,968.00 MPN/100mL | 1,000.00 | +97% | Jun 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 499.00 MPN/100mL | 200.00 | +150% | Jun 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 354.00 MPN/100mL | 200.00 | +77% | May 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,120.00 MPN/100mL | 1,000.00 | +12% | May 2020 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.20 mg/L | 5.00 | +16% | Jul 2019 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.70 mg/L | 5.00 | +6% | May 2019 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Overdue | 4.70 mg/L | 5.00 | +6% | May 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 218.37 kg/d | 215.65 | +1% | Jun 2015 | 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 PA-0021148_05212015 · May 21, 2015
$2,300
Judicial
· Case 03-1988-0430 · Apr 4, 1991
$18,500
Civil Judicial Action
Clean Water Act
· Case 03-1991-N020 · Apr 4, 1991
Other facilities in WESTMORELAND County, PA
BEL AIR MOTOR TOYOTA
GREENSBURG, PA
ROLLING FIELDS GC-TREATMENT PLANT
MURRYSVILLE, PA
CAMMAN IND STP
DERRY, PA
ADVANCED MFG TECHNOLOGIES INC
LATROBE, PA
PRESTIAGE TRUCK AND AUTO REPAIR
RUFFSDALE, PA
SANTMYERS GARAGE INC
SCOTTDALE, PA