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Clean Water Act discharge permit · NPDES NC0020940

MURPHY WWTP, Murphy, NC: NPDES NC0020940 discharge permit, effluent exceedances, inspections, penalties

MURPHY WWTP, held by Town of Murphy, holds NPDES permit NC0020940. EPA’s file records it issued January 21, 2020 and expiring August 31, 2024.

MURPHY WWTP, Murphy, North Carolina: Individual permit NC0020940, held by Town of Murphy; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued January 21, 2020, term to August 31, 2024; Sewage Treatment Facilities.

  • Solids, total suspended: 3 limits, 101 violations of any kind, 45 effluent exceedances, latest April 30, 2026, largest 789% over the limit.
  • Coliform, fecal MF, MFC broth, 44.5 C: 2 limits, 55 violations of any kind, 32 effluent exceedances, latest April 30, 2026, largest 439% over the limit.
  • BOD, 5-day, 20 deg. C: 3 limits, 72 violations of any kind, 16 effluent exceedances, latest April 30, 2026, largest 327% over the limit.
  • Chlorine, total residual: 1 limit, 13 violations of any kind, 7 effluent exceedances, latest October 31, 2011, largest 1,221% over the limit.
  • Cyanide, total [as CN]: 0 limits, 5 violations of any kind, 2 effluent exceedances, latest July 31, 2009, largest 14% over the limit.
  • pH: 2 limits, 9 violations of any kind, 1 effluent exceedance, latest December 31, 2017.
  • Flow, in conduit or thru treatment plant: 1 limit, 9 violations of any kind, 0 effluent exceedances.
  • Temperature, water deg. centigrade: 1 limit, 6 violations of any kind, 0 effluent exceedances.
  • Nitrogen, ammonia total [as N]: 1 limit, 6 violations of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
  • Silver, total [as Ag]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
  • Mercury, total [as Hg]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
  • September 30, 2026: Evaluation (S).
  • September 29, 2026: Evaluation (S).
  • July 14, 2026: Notice of Violation (State).
  • July 23, 2025: Permit Violations - Unapproved Operation (ST6).
  • August 26, 2024: Permit Violations - Unapproved Operation (ST6).
  • September 6, 2017: Permit Violations - Unapproved Operation (ST6).

North Carolina holds 95 Publicly owned treatment works coverages of this permit type in EPA’s file; 42 were issued before NC0020940. Town of Murphy holds 4 permits in North Carolina.

Other permits held by Town of Murphy

Coverages issued nearest NC0020940

  • December 17, 2019: THIRD CREEK WWTP, Statesville, NC0020591, held by City of Statesville
  • December 17, 2019: SGWASA WWTP, Butner, NC0026824, held by South Granville Water & Sewer Authority
  • December 17, 2019: MALLARD CREEK WWTP, Charlotte, NC0030210, held by Charlotte Water
  • January 8, 2020: ST. PAULS WWTP, Saint Pauls, NC0020095, held by Town of St Pauls
  • January 16, 2020: YADKINVILLE WWTP, Yadkinville, NC0020338, held by Town of Yadkinville
  • January 21, 2020: NEWPORT WWTP, Newport, NC0021555, held by Town of Newport
  • January 21, 2020: HILLSBOROUGH WWTP, Hillsborough, NC0026433, held by Town of Hillsborough
  • February 3, 2020: KILLIAN CREEK WWTP, Stanley, NC0088722, held by Lincoln County
  • February 7, 2020: PINETOPS WWTP, Pinetops, NC0020435, held by Town of Pinetops
  • February 7, 2020: CLARKTON WWTP, Clarkton, NC0021610, held by Town of Clarkton

MURPHY WWTP among its neighbors

EPA’s permit file holds 13 discharge permits in the Grape Creek-Hiwassee Lake subwatershed (HUC 060200020702), NC0020940 among them.

Other permits in the Grape Creek-Hiwassee Lake subwatershed (HUC 060200020702)

  • HIWASSEE DAM SCHOOL, Murphy: NC0035386, minor permit, permit term to August 31, 2022
  • HIWASSEE HYDRO PLANT, Murphy: NC0027359, minor permit, permit term to August 31, 2023
  • MCKEON SITE DEVELOPMENT, Murphy: NCC220915, minor permit, permit term to March 31, 2029
  • MGM BRAKES, Murphy: NCG030530, minor permit, permit term to June 30, 2026
  • MURPHY BIN, Murphy: NCG080732, minor permit, discharging to HIWASSEE RIVER, permit term to August 31, 2012
  • MURPHY WWTP, Murphy: NCG110101, minor permit, permit term to May 31, 2028
  • MURPHY WWTP, Murphy: NCG110154, minor permit, permit term to May 31, 2018
  • NATHAN ROSE, Murphy: NCC212698, minor permit, permit term to March 31, 2029
  • SARANAC APARTMENT COMPLEX, Murphy: NCC250558, minor permit, permit term to March 31, 2029
  • SKYVIEW ENERGY SITE, Murphy: NCG080986, minor permit, permit term to June 30, 2026

Identity

Facility as filedMURPHY WWTP
Permittee as filedTown of Murphy
NPDES IDNC0020940
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJanuary 21, 2020
Expiration dateAugust 31, 2024
AddressMurphy, NC 28906
SubwatershedGrape Creek-Hiwassee Lake (HUC 060200020702)
Program components on filePOTW, Pretreatment
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

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
Solids, total suspended310145April 30, 2026789% over the limit
Coliform, fecal MF, MFC broth, 44.5 C25532April 30, 2026439% over the limit
BOD, 5-day, 20 deg. C37216April 30, 2026327% over the limit
Chlorine, total residual1137October 31, 20111,221% over the limit
Cyanide, total [as CN]052July 31, 200914% over the limit
pH291December 31, 2017
Flow, in conduit or thru treatment plant190
Temperature, water deg. centigrade160
Nitrogen, ammonia total [as N]160
Nitrogen, total [as N]030
Phosphorus, total [as P]030
Silver, total [as Ag]030
Mercury, total [as Hg]030

Inspections, violations and enforcement

DateWhat EPA recordedAgency
July 23, 2025Permit Violations - Unapproved OperationST6
August 26, 2024Permit Violations - Unapproved OperationST6
September 6, 2017Permit Violations - Unapproved OperationST6

Inspections

DateWhat EPA recordedAgency
September 30, 2026EvaluationS
September 29, 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

DateWhat EPA recordedAgency
July 14, 2026Notice of ViolationState

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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 the Clean Water Act NPDES discharge permit NC0020940 for the MURPHY WWTP in Murphy, NC, held by the Town of Murphy, with an administratively continued status and an expiration date of August 31, 2024. The figures listed are 8 for discharger class (Major Discharger), 6 pollutants under a numeric limit, and 6 pollutants with an effluent exceedance.