HARLEYSVILLE 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
-
650 MAIN ST
HARLEYSVILLE, PA 19438
View on map ↗ - County
- MONTGOMERY County
- Inspections
- 4 · last Mar 14, 2025
- Total Penalties
- $0 · last Oct 7, 2009
- Registry ID
- 110064283421
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 - Discharge Without a Valid Permit | Dec 26, 2024 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Feb 1, 2024 | — | 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 |
|---|---|---|---|---|---|---|
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.18 mg/L | 0.16 | +13% | Jun 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.70 kg/d | 0.36 | +369% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.30 mg/L | 30.00 | +61% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 385.23 kg/d | 100.79 | +282% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 102.78 kg/d | 67.19 | +53% | Apr 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.80 mg/L | 0.16 | +400% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 93.17 mg/L | 45.00 | +107% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 106.96 kg/d | 100.79 | +6% | Dec 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.31 mg/L | 0.16 | +94% | May 2019 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.77 kg/d | 0.36 | +113% | May 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 259.00 MPN/100mL | 200.00 | +30% | Dec 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.