Clean Water Act discharge permit · NPDES AL0084474

TANNEHILL PRESERVE CLEAN WATER FACILITY, Mccalla, AL: NPDES AL0084474 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
13Pollutants under a numeric limit
0Pollutants with an effluent exceedance

TANNEHILL PRESERVE CLEAN WATER FACILITY, held by Engineering Design Group, LLC, holds NPDES permit AL0084474. EPA’s file records it issued January 24, 2024 and expiring January 31, 2029. 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	TANNEHILL PRESERVE CLEAN WATER FACILITY
Permittee as filed	Engineering Design Group, LLC
NPDES ID	AL0084474
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 24, 2024
Expiration date	January 31, 2029
Issuing agency	State
Address	Mccalla, AL 35111
Subwatershed	Cooley Creek-Mud Creek (HUC 031502020302)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

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

13Pollutants on file
13Under a numeric limit
13With a violation of any kind
0With 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
Solids, total suspended	8	8
BOD, carbonaceous [5 day, 20 C]	8	8
Phosphorus, total [as P]	8	4
Nitrogen, ammonia total [as N]	4	4
Nitrogen, Kjeldahl, total [as N]	4	4
Nitrite + Nitrate total [as N]	4	4
E. coli	4	2
pH	2	2
Flow, in conduit or thru treatment plant	2	2
Chlorine, total residual	2	2
Oxygen, dissolved [DO]	1	1
BOD, carb-5 day, 20 deg C, percent removal	1	1
Solids, suspended percent removal	1	1

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES AL0084474.

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 AL0084474.

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.

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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 AL0084474 there.

Nearby on the register

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

This public-records page covers NPDES permit AL0084474 for the TANNEHILL PRESERVE CLEAN WATER FACILITY in Mccalla, AL, held by Engineering Design Group, LLC, with the permit listed as Effective, a Minor discharger class, and issued and expiring on the dates in EPA's file. The page lists 13 pollutants on file, 0 of them under a numeric limit, and 0 with an effluent exceedance.