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Clean Water Act discharge permit · NPDES INRA18372

BISHOP CHATARD HS PERFORMING ARTS CENTER, Indianapolis, IN: NPDES INRA18372 discharge permit, effluent exceedances, inspections, penalties

BISHOP CHATARD HS PERFORMING ARTS CENTER, held by William Sahm, holds NPDES permit INRA18372. EPA’s file records it issued June 17, 2026 and expiring June 16, 2031. 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 BISHOP CHATARD HS PERFORMING ARTS CENTER: its NPDES ID, its permit type and status, its dates, its address in Indianapolis, Indiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRA18372.

Identity

Facility as filedBISHOP CHATARD HS PERFORMING ARTS CENTER
Permittee as filedWilliam Sahm
NPDES IDINRA18372
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 17, 2026
Expiration dateJune 16, 2031
Issuing agencyState
AddressIndianapolis, IN 46220
SubwatershedHowland Ditch-White River (HUC 051202011006)

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 INRA18372.

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 INRA18372.

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, INRA18372.

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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 INRA18372 there.

Nearby on the register

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

What this page shows

The BISHOP CHATARD HS PERFORMING ARTS CENTER permit is one of 554 storm water construction permits in Indianapolis on EPA's NPDES register, and it sits among 57 NPDES permits in the Howland Ditch-White River subwatershed (HUC 051202011006), this one included. Of those 554 Indianapolis storm water construction permits, 92.4% carry an earlier issue date than this one, and 0.0% have a violation on file.