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Clean Water Act discharge permit · NPDES ALG640025

MUSCLE SHOALS WATER TREATMENT PLANT, Muscle Shoals, AL: NPDES ALG640025 discharge permit, effluent exceedances, inspections, penalties

MUSCLE SHOALS WATER TREATMENT PLANT, held by Utility Board of the City of Muscle Shoals, holds NPDES permit ALG640025. EPA’s file records it issued May 30, 2018 and expiring June 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMUSCLE SHOALS WATER TREATMENT PLANT
Permittee as filedUtility Board of the City of Muscle Shoals
NPDES IDALG640025
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 30, 2018
Expiration dateJune 30, 2023
AddressMuscle Shoals, AL 35661
SubwatershedAbernathy Bottom-Pond Creek (HUC 060300050802)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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
Aluminum, total recoverable285June 30, 2012248% over the limit
Solids, total suspended282October 31, 202083% over the limit
Chlorine, total residual251October 31, 2011426% over the limit
pH260
Flow, in conduit or thru treatment plant260
Phosphorus, total [as P]130

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ALG640025.

Inspections

DateWhat EPA recordedAgency
February 5, 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

EPA’s informal enforcement file holds no action for NPDES ALG640025.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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MUSCLE SHOALS WATER TREATMENT PLANT, Muscle Shoals, Alabama: Coverage under a general permit ALG640025, held by Utility Board of the City of Muscle Shoals; Administratively continued (past its expiration date and still in force until reissued); issued May 30, 2018, term to June 30, 2023.

  • Aluminum, total recoverable: 2 limits, 8 violations of any kind, 5 effluent exceedances, latest June 30, 2012, largest 248% over the limit.
  • Solids, total suspended: 2 limits, 8 violations of any kind, 2 effluent exceedances, latest October 31, 2020, largest 83% over the limit.
  • Chlorine, total residual: 2 limits, 5 violations of any kind, 1 effluent exceedance, latest October 31, 2011, largest 426% over the limit.
  • pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
  • February 5, 2026: Evaluation (S).

MUSCLE SHOALS WATER TREATMENT PLANT among its neighbors

EPA’s permit file holds 42 discharge permits in the Abernathy Bottom-Pond Creek subwatershed (HUC 060300050802), ALG640025 among them. Its county holds 192, 6 of them major permits; ALG640025 is a minor permit.

Other permits in the Abernathy Bottom-Pond Creek subwatershed (HUC 060300050802)

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 ALG640025 for the MUSCLE SHOALS WATER TREATMENT PLANT in Muscle Shoals, AL, held by the Utility Board of the City of Muscle Shoals, which is listed as administratively continued and a minor discharger. The page lists 6 pollutants on file, 6 under a numeric limit, and 3 with an effluent exceedance, within the Abernathy Bottom-Pond Creek subwatershed (HUC 060300050802).