Clean Water Act discharge permit · NPDES PA0054402
BROOKS INSTRUMENT GWCU, Hatfield, PA: NPDES PA0054402 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
BROOKS INSTRUMENT GWCU, held by EMERSON ELEC CO, holds NPDES permit PA0054402, which discharges to Unt To West Branch Neshaminy Creek. EPA’s file records it issued June 23, 2020 and expiring June 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BROOKS INSTRUMENT GWCU |
|---|---|
| Permittee as filed | EMERSON ELEC CO |
| NPDES ID | PA0054402 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 23, 2020 |
| Expiration date | June 30, 2025 |
| Issuing agency | State Environmental Organization |
| Address | Hatfield, PA 19440 |
| Receiving water | UNT To West Branch Neshaminy Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | West Branch Neshaminy Creek (HUC 020402010202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 2 | 6 | 0 | ||
| Tetrachloroethylene | 2 | 4 | 0 | ||
| Trichloroethylene | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 3 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES PA0054402.
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 5, 2024 | Permit Violations - Failure to Pay Fees | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID PA0054402 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.