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NPDES PA0021741 · Clean Water Act

DUBLIN BORO STP, Bedminster, PA: NPDES PA0021741 discharge permit, effluent exceedances, inspections, penalties

DUBLIN BORO STP, Bedminster, Pennsylvania: Individual permit PA0021741, held by BOROUGH OF DUBLIN; Publicly owned treatment works; Administratively continued; issued June 13, 2023, term to November 30, 2024, by State Environmental Organization; discharges to Deep Run.

1 of the 14 pollutants listed for NPDES PA0021741 have no violation or effluent exceedance.

  • Copper, total [as Cu]: 2 limits, 7 violations of any kind, 5 effluent exceedances, latest December 31, 2023, largest 265% over the limit.
  • Phosphorus, total [as P]: 2 limits, 3 violations of any kind, 1 effluent exceedance, latest February 28, 2026, largest 70% over the limit.
  • Chlorine, total residual: 2 limits, 3 violations of any kind, 1 effluent exceedance, latest February 28, 2026, largest 50% over the limit.
  • Coliform, fecal general: 2 limits, 3 violations of any kind, 1 effluent exceedance, latest April 30, 2023, largest 99,999% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 10 limits, 6 violations of any kind.
  • Solids, total suspended: 6 limits, 6 violations of any kind.
  • E. coli: 0 limits, 3 violations of any kind.
  • Nitrogen, ammonia total [as N]: 4 limits, 2 violations of any kind.
  • BOD, 5-day, 20 deg. C: 2 limits, 2 violations of any kind.
  • pH: 2 limits, 2 violations of any kind.
  • Nitrogen, total [as N]: 2 limits, 2 violations of any kind.
  • Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind.
  • Oxygen, dissolved [DO]: 1 limit, 1 violation of any kind.
  • Hardness, total [as CaCO3]: 1 limit.
  • February 4, 2026: Reconnaissance without Sampling (S).
  • January 7, 2026: Monitoring Violations - Improper Analysis or Lab Error (ST6).
  • January 7, 2026: Evaluation (S).
  • March 21, 2025: Monitoring Violations - Invalid/Unrepresentative Sample (ST6).
  • August 2, 2023: Permit Violations - Violation Specified in Comment (ST6).

Pennsylvania holds 261 Publicly owned treatment works coverages of this permit type in EPA’s file; 243 were issued before PA0021741.

Coverages issued nearest PA0021741

DUBLIN BORO STP among its neighbors

19 discharge permits are in the Lower Tohickon Creek subwatershed (HUC 020401050703); PA0021741 is one. Its county: 217, 2 major; PA0021741 is minor permit.

Other permits in the Lower Tohickon Creek subwatershed (HUC 020401050703)

Identity

FacilityDUBLIN BORO STP
PermitteeBOROUGH OF DUBLIN
NPDES IDPA0021741
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJune 13, 2023
ExpiresNovember 30, 2024
AgencyState Environmental Organization
AddressBedminster, PA 18910
Receiving waterDeep Run
Receiving water impaired303(D) Listed
SubwatershedLower Tohickon Creek (HUC 020401050703)
SIC4952 – Sewerage Systems

NPDES PA0021741: effluent limits and exceedances

DUBLIN BORO STP (NPDES PA0021741): 14 pollutants on file, 13 limited; 13 with a violation of any kind, 4 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Copper, total [as Cu]275December 31, 2023265% over the limit
Phosphorus, total [as P]231February 28, 202670% over the limit
Chlorine, total residual231February 28, 202650% over the limit
Coliform, fecal general231April 30, 202399,999% over the limit
BOD, carbonaceous [5 day, 20 C]1060
Solids, total suspended660
E. coli030
Nitrogen, ammonia total [as N]420
BOD, 5-day, 20 deg. C220
pH220
Nitrogen, total [as N]220
Flow, in conduit or thru treatment plant220
Oxygen, dissolved [DO]110
Hardness, total [as CaCO3]100

NPDES PA0021741: inspections, violations and enforcement

NPDES PA0021741: 3 single-event violations

DateWhat EPA recordedAgency
January 7, 2026Monitoring Violations - Improper Analysis or Lab ErrorST6
March 21, 2025Monitoring Violations - Invalid/Unrepresentative SampleST6
August 2, 2023Permit Violations - Violation Specified in CommentST6

NPDES PA0021741: 2 inspections

DateWhat EPA recordedAgency
February 4, 2026Reconnaissance without SamplingS
January 7, 2026EvaluationS

NPDES PA0021741 (DUBLIN BORO STP): no formal enforcement action and informal enforcement action on file.

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Permits near NPDES PA0021741

NPDES PA0021741: 14 pollutant rows, 5 dated events; ICIS-NPDES download, loaded October 14, 2026.