Clean Water Act discharge permit · NPDES AL0078913
MATHESON TRI-GAS, INC. - SARALAND HYCO, Saraland, AL: NPDES AL0078913 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
MATHESON TRI-GAS, INC. - SARALAND HYCO, held by Matheson TriGas, Inc., holds NPDES permit AL0078913. EPA’s file records it issued October 11, 2017 and expiring October 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MATHESON TRI-GAS, INC. - SARALAND HYCO |
|---|---|
| Permittee as filed | Matheson TriGas, Inc. |
| NPDES ID | AL0078913 |
| 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 | October 11, 2017 |
| Expiration date | October 31, 2022 |
| Address | Saraland, AL 36571 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Chasaw Creek (HUC 031602040305) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 7Under a numeric limit
- 18With a violation of any kind
- 3With 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 | 42 | 28 | February 28, 2009 | 480% over the limit |
| Chemical Oxygen Demand [COD] | 1 | 15 | 4 | March 31, 2008 | 44% over the limit |
| pH | 4 | 18 | 2 | April 30, 2008 | |
| Daily excursion time [min] | 0 | 24 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 20 | 0 | ||
| Oil and grease | 0 | 20 | 0 | ||
| Chloride [as Cl] | 0 | 12 | 0 | ||
| Solids, total dissolved | 0 | 12 | 0 | ||
| Length of longest pH excursion | 0 | 12 | 0 | ||
| pH range excursions, monthly total accum | 0 | 12 | 0 | ||
| Lead, total recoverable | 0 | 10 | 0 | ||
| Chromium, total recoverable | 0 | 10 | 0 | ||
| Copper, total recoverable | 0 | 10 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 9 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 8 | 0 | ||
| Nickel, total recoverable | 0 | 8 | 0 | ||
| Zinc, total recoverable | 0 | 8 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 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 AL0078913.
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
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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 AL0078913 there.
Nearby on the register
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- Every permit record in Alabama, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.