Clean Water Act discharge permit · NPDES KY0107522
MATHESON TRI-GAS INC, Carrollton, KY: NPDES KY0107522 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MATHESON TRI-GAS INC, held by Matheson Tri-Gas Inc, holds NPDES permit KY0107522, which discharges to Ut / Four Mile Creek. EPA’s file records it issued June 19, 2019 and expiring July 31, 2024. 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 | MATHESON TRI-GAS INC |
|---|---|
| Permittee as filed | Matheson Tri-Gas Inc |
| NPDES ID | KY0107522 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 19, 2019 |
| Expiration date | July 31, 2024 |
| Address | Carrollton, KY 41008 |
| Receiving water | UT / FOUR MILE CREEK |
| Subwatershed | McCools Creek-Ohio River (HUC 050902031010) |
| NAICS | 325120 – Industrial Gas Manufacturing |
| SIC | 2813 – Industrial Gases |
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
- 8Pollutants on file
- 6Under a numeric limit
- 8With a violation of any kind
- 4With 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 | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 63 | 22 | May 31, 2025 | 710% over the limit |
| Chlorine, total residual | 2 | 29 | 11 | February 28, 2025 | 11,479% over the limit |
| pH | 2 | 46 | 1 | September 30, 2012 | |
| Temperature, water deg. fahrenheit | 2 | 18 | 1 | June 30, 2012 | 8% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 41 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 39 | 0 | ||
| Oil & Grease | 2 | 18 | 0 | ||
| Oil and grease | 0 | 15 | 0 |
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 KY0107522.
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 KY0107522 there.
Nearby on the register
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- Every permit record in Carrollton, A to Z
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- Every permit record in Kentucky, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.