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.
One more press on the next page sends it; there is no link to click in an email. 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 INJ063304

AIRGAS USA LLC - NEW CARLISLE PLANT, New Carlisle, IN: NPDES INJ063304 discharge permit, effluent exceedances, inspections, penalties

AIRGAS USA LLC - NEW CARLISLE PLANT, held by AIRGAS USA LLC, holds NPDES permit INJ063304. EPA’s file records it issued February 14, 2019 and expiring March 31, 2024.

AIRGAS USA LLC - NEW CARLISLE PLANT, New Carlisle, Indiana: State-issued individual permit INJ063304, held by AIRGAS USA LLC; Administratively continued (past its expiration date and still in force until reissued); issued February 14, 2019, term to March 31, 2024, by IDEM.

  • pH: 2 limits, 13 violations of any kind, 5 effluent exceedances, latest May 31, 2014.
  • Flow, in conduit or thru treatment plant: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 1 limit, 5 violations of any kind, 0 effluent exceedances.
  • Oil and grease, hexane extr method: 1 limit, 5 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
  • Flow, total: 1 limit, 4 violations of any kind, 0 effluent exceedances.
  • Nitrite + Nitrate total [as N]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
  • August 4, 2026: Evaluation (S).

AIRGAS USA LLC - NEW CARLISLE PLANT among its neighbors

EPA’s permit file holds 11 discharge permits in the Geyer Ditch subwatershed (HUC 071200010203), INJ063304 among them. Its county holds 73, 3 of them major permits; INJ063304 is a minor permit.

Other permits in the Geyer Ditch subwatershed (HUC 071200010203)

Identity

Facility as filedAIRGAS USA LLC - NEW CARLISLE PLANT
Permittee as filedAIRGAS USA LLC
NPDES IDINJ063304
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeState-issued individual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 14, 2019
Expiration dateMarch 31, 2024
Issuing agencyIDEM
AddressNew Carlisle, IN 46552
SubwatershedGeyer Ditch (HUC 071200010203)
SIC2813 – Industrial Gases

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH2135May 31, 2014
Flow, in conduit or thru treatment plant280
Solids, total suspended150
Oil and grease, hexane extr method150
Phosphorus, total [as P]140
Flow, total140
Nitrite + Nitrate total [as N]130

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES INJ063304.

Inspections

DateWhat EPA recordedAgency
August 4, 2026EvaluationS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES INJ063304.

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, INJ063304.

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

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES INJ063304, held by AIRGAS USA LLC for its New Carlisle, IN plant, which is listed as administratively continued and a minor discharger. The facts list 7 pollutants on file, 7 under a numeric limit, 1 pollutant with an effluent exceedance, and a Geyer Ditch (HUC 071200010203) subwatershed.