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Clean Water Act discharge permit · NPDES PA0289604

ADVANCED POLYMER TECH, Harmony, PA: NPDES PA0289604 discharge permit, effluent exceedances, inspections, penalties

ADVANCED POLYMER TECH, held by ADVANCED POLYMER TECH CORP, holds NPDES permit PA0289604, which discharges to Unt To Connoquenessing Creek. EPA’s file records it issued October 28, 2021 and expiring October 28, 2026.

ADVANCED POLYMER TECH, Harmony, Pennsylvania: Individual permit PA0289604, held by ADVANCED POLYMER TECH CORP; Effective; issued October 28, 2021, term to October 28, 2026, by State Environmental Organization; discharges to UNT To Connoquenessing Creek.

  • BOD, carbonaceous [5 day, 20 C]: 1 limit, 13 violations of any kind, 11 effluent exceedances, latest February 28, 2026, largest 237% over the limit.
  • Coliform, fecal general: 1 limit, 12 violations of any kind, 10 effluent exceedances, latest February 28, 2026, largest 99,999% over the limit.
  • Solids, total suspended: 8 limits, 16 violations of any kind, 7 effluent exceedances, latest June 30, 2025, largest 1,180% over the limit.
  • pH: 9 limits, 13 violations of any kind, 2 effluent exceedances, latest June 30, 2025.
  • Oxygen demand, chem. [high level] [COD]: 7 limits, 7 violations of any kind, 0 effluent exceedances.
  • Nitrite + Nitrate total [as N]: 7 limits, 7 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 7 limits, 7 violations of any kind, 0 effluent exceedances.
  • Iron, total [as Fe]: 7 limits, 7 violations of any kind, 0 effluent exceedances.
  • Lead, total [as Pb]: 7 limits, 7 violations of any kind, 0 effluent exceedances.
  • Zinc, total [as Zn]: 7 limits, 7 violations of any kind, 0 effluent exceedances.
  • Aluminum, total [as Al]: 7 limits, 7 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • July 20, 2026: Audit (S).
  • July 10, 2026: Audit (S).
  • July 17, 2025: Effluent Violations - Numeric effluent violation (ST6).
  • July 17, 2025: Reporting Violations - Failure to Submit DMRs (ST6).
  • January 3, 2024: Permit Violations - Failure to Pay Fees (ST6).

ADVANCED POLYMER TECH among its neighbors

EPA’s permit file holds 34 discharge permits in the Coal Run-Connoquenessing Creek subwatershed (HUC 050301050407), PA0289604 among them.

Other permits in the Coal Run-Connoquenessing Creek subwatershed (HUC 050301050407)

  • 123 OLD ROUTE 68 SRSTP, Evans City: PA0272051, minor permit, discharging to UNT To Connoquenessing Creek, permit term to May 31, 2024
  • 125 OLD ROUTE 68 SRSTP, Evans City: PAG041612, minor permit, discharging to UNT To Connoquenessing Creek, permit term to November 11, 2028
  • 2322 - PA 68 CORRIDOR, Butler: PAC100269, minor permit, permit term to December 7, 2024
  • 414 MCCALMONT RD SRSTP, Renfrew: PA0288594, minor permit, discharging to UNT To Connoquenessing Creek, permit term to October 31, 2025
  • 414 MCCALMONT RD SRSTP, Renfrew: PAG041592, minor permit, discharging to UNT To Connoquenessing Creek, permit term to November 11, 2028
  • AIR PROD & CHEM MFG, Lyndora: PAG038435, minor permit, discharging to UNT To Connoquenessing Creek, permit term to March 23, 2028
  • AIR PROD & CHEM MFG, Lyndora: PAR238301, minor permit, discharging to Unnamed Stream, permit term to January 31, 2017
  • AUTUMN WOODS RESIDENTIAL DEVELOPMENT, Meridian: PAC100204, minor permit, permit term to December 7, 2024
  • BAGLIER DETAIL SHOP, Butler: PAC100109, minor permit, permit term to December 7, 2024
  • BUTLER CNTY, Butler: PAG138329, minor permit, discharging to UNT To Sullivan Run, permit term to July 15, 2018

Identity

Facility as filedADVANCED POLYMER TECH
Permittee as filedADVANCED POLYMER TECH CORP
NPDES IDPA0289604
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 28, 2021
Expiration dateOctober 28, 2026
Issuing agencyState Environmental Organization
AddressHarmony, PA 16037
Receiving waterUNT To Connoquenessing Creek
SubwatershedCoal Run-Connoquenessing Creek (HUC 050301050407)

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
BOD, carbonaceous [5 day, 20 C]11311February 28, 2026237% over the limit
Coliform, fecal general11210February 28, 202699,999% over the limit
Solids, total suspended8167June 30, 20251,180% over the limit
pH9132June 30, 2025
Oxygen demand, chem. [high level] [COD]770
Nitrite + Nitrate total [as N]770
Phosphorus, total [as P]770
Iron, total [as Fe]770
Lead, total [as Pb]770
Zinc, total [as Zn]770
Aluminum, total [as Al]770
Flow, in conduit or thru treatment plant120

Inspections, violations and enforcement

DateWhat EPA recordedAgency
July 17, 2025Effluent Violations - Numeric effluent violationST6
July 17, 2025Reporting Violations - Failure to Submit DMRsST6
January 3, 2024Permit Violations - Failure to Pay FeesST6

Inspections

DateWhat EPA recordedAgency
July 20, 2026AuditS
July 10, 2026AuditS

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 PA0289604.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act NPDES permit PA0289604, held by ADVANCED POLYMER TECH CORP for ADVANCED POLYMER TECH in Harmony, PA, which discharges to UNT To Connoquenessing Creek within the Coal Run-Connoquenessing Creek subwatershed (HUC 050301050407). The permit is listed as Effective, issued October 28, 2021 and expiring October 28, 2026, with 12 pollutants on file, all 12 under a numeric limit, 12 with a violation of any kind, and 4 with an effluent exceedance.