Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES ALR10C43C

PROJECT STONE, Mobile, AL: NPDES ALR10C43C discharge permit, effluent exceedances, inspections, penalties

PROJECT STONE, held by TPA Development Services, LLC., holds NPDES permit ALR10C43C. EPA’s file records it issued July 20, 2023 and expiring March 31, 2026. 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.

What the register holds for PROJECT STONE: its NPDES ID, its permit type and status, its dates, its address in Mobile, Alabama. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ALR10C43C.

Identity

Facility as filedPROJECT STONE
Permittee as filedTPA Development Services, LLC.
NPDES IDALR10C43C
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 20, 2023
Expiration dateMarch 31, 2026
Issuing agencyState
AddressMobile, AL 36619
SubwatershedHalls Mill Creek (HUC 031602050102)
NAICS236210 – Industrial Building Construction
SIC1541 – Industrial Buildings And Warehouses

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES ALR10C43C.

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 ALR10C43C.

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, ALR10C43C.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 ALR10C43C there.

Nearby on the register

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

What this page shows

PROJECT STONE is one of 606 storm water construction permits in Mobile County, and it sits among 69 NPDES permits in the Halls Mill Creek subwatershed, this one included. Of all 606 storm water construction permits in Mobile County, 52.3% carry an earlier issue date than this permit, and none of the county's storm water construction permits have a violation on file, at 0.0%.