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Clean Water Act discharge permit · NPDES INRM01552

CWA AUTHORITY INCORPORATED SOUTHPORT WASTE WATER TREATMENT, Indianapolis, IN: NPDES INRM01552 discharge permit, effluent exceedances, inspections, penalties

CWA AUTHORITY INCORPORATED SOUTHPORT WASTE WATER TREATMENT, held by CWA Authority Incorporated Southport Waste Water Treatment, holds NPDES permit INRM01552, which discharges to White River. EPA’s file records it issued April 23, 2018 and expiring April 22, 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.

What the register holds for CWA AUTHORITY INCORPORATED SOUTHPORT WASTE WATER TREATMENT: its NPDES ID, its permit type and status, its dates, its address in Indianapolis, Indiana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRM01552.

Identity

Facility as filedCWA AUTHORITY INCORPORATED SOUTHPORT WASTE WATER TREATMENT
Permittee as filedCWA Authority Incorporated Southport Waste Water Treatment
NPDES IDINRM01552
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedApril 23, 2018
Expiration dateApril 22, 2023
Issuing agencyIDEM
AddressIndianapolis, IN 46217
Receiving waterWhite River
SubwatershedDollar Hide Creek-White River (HUC 051202011205)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES INRM01552.

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 INRM01552.

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, INRM01552.

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 INRM01552 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The CWA Authority Incorporated Southport Waste Water Treatment storm water industrial permit is one of 83 such permits in Marion County, Indiana, and sits within a subwatershed that holds 98 NPDES permits in total. Of those 83 Marion County storm water industrial permits, 13.3% have a violation on file, and this permit records no pollutants under a numeric limit and no effluent exceedances.