Clean Water Act discharge permit · NPDES AL0075370

DAUPHIN ISLAND RO #4 WTP, Dauphin Island, AL: NPDES AL0075370 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
2Pollutants with an effluent exceedance

DAUPHIN ISLAND RO #4 WTP, held by Dauphin Island Water, Sewer, and Fire Protection Authority, holds NPDES permit AL0075370. EPA’s file records it issued February 26, 2020 and expiring February 28, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	DAUPHIN ISLAND RO #4 WTP
Permittee as filed	Dauphin Island Water, Sewer, and Fire Protection Authority
NPDES ID	AL0075370
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	February 26, 2020
Expiration date	February 28, 2025
Address	Dauphin Island, AL 36528
NAICS	221310 – Water Supply and Irrigation Systems
SIC	4941 – Water Supply

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

11Pollutants on file
10Under a numeric limit
5With a violation of any kind
2With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Iron, total [as Fe]	0	117	3	May 31, 2009	20% over the limit
Solids, total suspended	2	117	1	February 28, 2019	3% over the limit
Flow, in conduit or thru treatment plant	2	121	0
pH	2	118	0
Chlorine, total residual	2	58	0
Carbon, tot organic [TOC]	3	0	0
Solids, total dissolved	3	0	0
Phosphorus, total [as P]	2	0	0
Chloride [as Cl]	2	0	0
Iron, total recoverable	1	0	0
Aluminum, total recoverable	1	0	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AL0075370.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AL0075370.

Start the watch

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID AL0075370 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act NPDES permit AL0075370 for DAUPHIN ISLAND RO #4 WTP in Dauphin Island, AL, held by Dauphin Island Water, Sewer, and Fire Protection Authority, with a status of administratively continued and a discharger class of Minor. The listed figures are 10 for the discharger class, 2 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance.