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Clean Water Act discharge permit · NPDES PA0057061

IVY RIDGE STP, Frederick, PA: NPDES PA0057061 discharge permit, effluent exceedances, inspections, penalties

IVY RIDGE STP, held by UPPER FREDERICK TWP MONTGOMERY CNTY, holds NPDES permit PA0057061, which discharges to Sprogels Run. EPA’s file records it issued February 14, 2017 and expiring February 28, 2022.

IVY RIDGE STP, Frederick, Pennsylvania: Individual permit PA0057061, held by UPPER FREDERICK TWP MONTGOMERY CNTY; Administratively continued (past its expiration date and still in force until reissued); issued February 14, 2017, term to February 28, 2022, by State Environmental Organization; discharges to Sprogels Run.

  • Coliform, fecal general: 4 limits, 7 violations of any kind, 3 effluent exceedances, latest September 30, 2019, largest 540% over the limit.
  • Solids, total suspended: 6 limits, 14 violations of any kind, 2 effluent exceedances, latest April 30, 2019, largest 11% over the limit.
  • pH: 2 limits, 5 violations of any kind, 1 effluent exceedance, latest May 31, 2026.
  • BOD, carbonaceous [5 day, 20 C]: 8 limits, 8 violations of any kind, 0 effluent exceedances.
  • Nitrogen, ammonia total [as N]: 4 limits, 4 violations of any kind, 0 effluent exceedances.
  • BOD, 5-day, 20 deg. C: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
  • Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Chlorine, total residual: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • E. coli: 0 limits, 1 violation of any kind, 0 effluent exceedances.
  • November 2, 2026: Evaluation (S).
  • June 15, 2026: Evaluation (S).
  • May 1, 2026: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).
  • May 1, 2026: Audit (S).
  • May 1, 2026: Notice of Violation (State).
  • January 24, 2020: Effluent Violations - Numeric effluent violation (ST6).
  • February 14, 2019: Effluent Violations - Numeric effluent violation (ST6).

Other permits held by UPPER FREDERICK TWP MONTGOMERY CNTY

IVY RIDGE STP among its neighbors

EPA’s permit file holds 25 discharge permits in the Swamp Creek subwatershed (HUC 020402030805), PA0057061 among them.

Other permits in the Swamp Creek subwatershed (HUC 020402030805)

  • 24 MENG ROAD SRSTP, Schwenksville: PA0245445, minor permit, discharging to Swamp Creek, permit term to December 31, 2027
  • 44- LOT RES SUBDIV, Gilbertsville: PAC461092, minor permit, discharging to Unnamed Stream, permit term to December 7, 2029
  • BOYERTOWN AREA SR HS SYNTHETIC TURF FIELDS, Colebrookdale: PAC060561, minor permit, permit term to December 7, 2029
  • BOYERTOWN FOUNDRY, New Berlinville: PAG034078, minor permit, discharging to UNT To Swamp Creek, permit term to March 23, 2028
  • BOYERTOWN STP, Gilbertsville: PA0024376, minor permit, discharging to Swamp Creek, permit term to September 30, 2025
  • CASSEL SFTF, Pottstown: PAG040224, minor permit, discharging to UNT To Swamp Creek, permit term to January 31, 2023
  • CHURCH HILL FARMS LLC, Colebrookdale: PAC060294, minor permit, permit term to December 7, 2029
  • D'ANGELO MINOR SUBDIVISION, Washington, Township Of: PAC060455, minor permit, permit term to December 7, 2029
  • FREDERICK MENNONITE COMMUNITY STP, Frederick: PA0050989, minor permit, discharging to UNT To Swamp Creek, permit term to September 30, 2022
  • GILBERTSVILLE READY MIX PLT, Gilbertsville: PAG030295, minor permit, discharging to Swamp Creek, permit term to March 23, 2028

Identity

Facility as filedIVY RIDGE STP
Permittee as filedUPPER FREDERICK TWP MONTGOMERY CNTY
NPDES IDPA0057061
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 14, 2017
Expiration dateFebruary 28, 2022
Issuing agencyState Environmental Organization
AddressFrederick, PA 19435
Receiving waterSprogels Run
Receiving water impaired303(D) Listed
SubwatershedSwamp Creek (HUC 020402030805)

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
Coliform, fecal general473September 30, 2019540% over the limit
Solids, total suspended6142April 30, 201911% over the limit
pH251May 31, 2026
BOD, carbonaceous [5 day, 20 C]880
Nitrogen, ammonia total [as N]440
BOD, 5-day, 20 deg. C240
Phosphorus, total [as P]240
Flow, in conduit or thru treatment plant240
Nitrogen, total [as N]140
Oxygen, dissolved [DO]120
Chlorine, total residual120
E. coli010

Inspections, violations and enforcement

DateWhat EPA recordedAgency
May 1, 2026Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
January 24, 2020Effluent Violations - Numeric effluent violationST6
February 14, 2019Effluent Violations - Numeric effluent violationST6

Inspections

DateWhat EPA recordedAgency
November 2, 2026EvaluationS
June 15, 2026EvaluationS
May 1, 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

DateWhat EPA recordedAgency
May 1, 2026Notice of ViolationState

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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 NPDES permit PA0057061 for the IVY RIDGE STP in Frederick, PA, held by UPPER FREDERICK TWP MONTGOMERY CNTY and discharging to Sprogels Run, with a status of administratively continued and a Minor Discharger class. The permit file lists 12 pollutants on file, 11 under a numeric limit, and 3 with an effluent exceedance.