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NPDES PA0055697 · Clean Water Act

SPRING RUN ESTATES STP, Coatesville, PA: NPDES PA0055697 discharge permit, effluent exceedances, inspections, penalties

SPRING RUN ESTATES STP, Coatesville, Pennsylvania: Individual permit PA0055697, held by TAD ENT LTD; Administratively continued; issued October 1, 2020, term to October 31, 2025, by State Environmental Organization; discharges to West Branch Brandywine Creek.

  • Nitrogen, total [as N]: 2 limits, 16 violations of any kind, 12 effluent exceedances, latest March 31, 2025, largest 215% over the limit.
  • Coliform, fecal general: 2 limits, 12 violations of any kind, 8 effluent exceedances, latest October 31, 2024, largest 770% over the limit.
  • Oxygen, dissolved [DO]: 1 limit, 6 violations of any kind, 4 effluent exceedances, latest June 30, 2021, largest 54% over the limit.
  • Nitrogen, ammonia total [as N]: 4 limits, 5 violations of any kind, 1 effluent exceedance, latest January 31, 2021, largest 91% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 2 limits, 5 violations of any kind, 1 effluent exceedance, latest November 30, 2025, largest 52% over the limit.
  • pH: 2 limits, 4 violations of any kind.
  • Solids, total suspended: 2 limits, 4 violations of any kind.
  • Nitrogen, Kjeldahl, total [as N]: 2 limits, 4 violations of any kind.
  • Nitrite + Nitrate total [as N]: 2 limits, 4 violations of any kind.
  • Phosphorus, total [as P]: 2 limits, 4 violations of any kind.
  • Flow, in conduit or thru treatment plant: 1 limit, 2 violations of any kind.
  • Ultraviolet light transmittance: 1 limit, 2 violations of any kind.
  • March 10, 2026: Evaluation (S).

SPRING RUN ESTATES STP among its neighbors

50 discharge permits are in the Upper West Branch Brandywine Creek subwatershed (HUC 020402050202); PA0055697 is one.

Other permits in the Upper West Branch Brandywine Creek subwatershed (HUC 020402050202)

Identity

FacilitySPRING RUN ESTATES STP
PermitteeTAD ENT LTD
NPDES IDPA0055697
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typeNon-POTW
IssuedOctober 1, 2020
ExpiresOctober 31, 2025
AgencyState Environmental Organization
AddressCoatesville, PA 19320
Receiving waterWest Branch Brandywine Creek
Receiving water impaired303(D) Listed
SubwatershedUpper West Branch Brandywine Creek (HUC 020402050202)
SIC6515 – Mobile Home Site Operators

NPDES PA0055697: effluent limits and exceedances

SPRING RUN ESTATES STP (NPDES PA0055697): 12 pollutants on file, 12 limited; 12 with a violation of any kind, 5 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Nitrogen, total [as N]21612March 31, 2025215% over the limit
Coliform, fecal general2128October 31, 2024770% over the limit
Oxygen, dissolved [DO]164June 30, 202154% over the limit
Nitrogen, ammonia total [as N]451January 31, 202191% over the limit
BOD, carbonaceous [5 day, 20 C]251November 30, 202552% over the limit
pH240
Solids, total suspended240
Nitrogen, Kjeldahl, total [as N]240
Nitrite + Nitrate total [as N]240
Phosphorus, total [as P]240
Flow, in conduit or thru treatment plant120
Ultraviolet light transmittance120

NPDES PA0055697: inspections, violations and enforcement

NPDES PA0055697: 1 inspection

DateWhat EPA recordedAgency
March 10, 2026EvaluationS

NPDES PA0055697 (SPRING RUN ESTATES STP): no single-event violation, formal enforcement action and informal enforcement action on file.

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Permits near NPDES PA0055697

NPDES PA0055697: 12 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.