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Clean Water Act discharge permit · NPDES PAG030308

HEIDELBERG MATERIALS NORTHEAST LLC, Downingtown, PA: NPDES PAG030308 discharge permit, effluent exceedances, inspections, penalties

HEIDELBERG MATERIALS NORTHEAST LLC, held by HIGHWAY MATERIALS LLC, holds NPDES permit PAG030308, which discharges to Valley Creek. EPA’s file records it issued February 20, 2024 and expiring March 23, 2028.

HEIDELBERG MATERIALS NORTHEAST LLC, Downingtown, Pennsylvania: Coverage under a general permit PAG030308, held by HIGHWAY MATERIALS LLC; Effective; issued February 20, 2024, term to March 23, 2028, by State Environmental Organization; discharges to Valley Creek.

  • pH: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Solids, total suspended: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Oil & Grease: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • October 1, 2026: Evaluation (S).

Other permits held by HIGHWAY MATERIALS LLC

HEIDELBERG MATERIALS NORTHEAST LLC among its neighbors

EPA’s permit file holds 39 discharge permits in the Valley Creek subwatershed (HUC 020402050104), PAG030308 among them.

Other permits in the Valley Creek subwatershed (HUC 020402050104)

Identity

Facility as filedHEIDELBERG MATERIALS NORTHEAST LLC
Permittee as filedHIGHWAY MATERIALS LLC
NPDES IDPAG030308
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 20, 2024
Expiration dateMarch 23, 2028
Issuing agencyState Environmental Organization
AddressDowningtown, PA 19335
Receiving waterValley Creek
SubwatershedValley Creek (HUC 020402050104)
SIC2951 – Asphalt Paving Mixtures And Blocks
Other EPA IDs (FRS)RCRA handler PAD002335156; ICIS-AIR source PA000518654

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH110
Solids, total suspended110
Oil & Grease110
Nitrogen, total [as N]110
Phosphorus, total [as P]110

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES PAG030308.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES PAG030308.

Inspections

DateWhat EPA recordedAgency
October 1, 2026EvaluationS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES PAG030308.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit PAG030308, held by Heidelberg Materials Northeast LLC in Downingtown, PA, with Highway Materials LLC listed as permittee, and discharging to Valley Creek. The permit is listed as Effective, a Minor discharger class 5, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.