Clean Water Act discharge permit · NPDES TXG110773
KNIFE RIVER ROCKDALE PLANT, Rockdale, TX: NPDES TXG110773 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
KNIFE RIVER ROCKDALE PLANT, held by KNIFE RIVER CORPORATION SOUTH, holds NPDES permit TXG110773, which discharges to Brush Creek. EPA’s file records it issued February 3, 2017 and expiring November 7, 2021. 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.
Identity
| Facility as filed | KNIFE RIVER ROCKDALE PLANT |
|---|---|
| Permittee as filed | KNIFE RIVER CORPORATION SOUTH |
| NPDES ID | TXG110773 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 3, 2017 |
| Expiration date | November 7, 2021 |
| Address | Rockdale, TX 76567 |
| Receiving water | BRUSH CREEK |
| Subwatershed | Rocky Creek-Brushy Creek (HUC 120702050410) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 20Under a numeric limit
- 18With a violation of any kind
- 1With 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 | 100 | 1 | December 31, 2023 | 138% over the limit |
| pH | 4 | 198 | 0 | ||
| Oil & Grease | 2 | 99 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 99 | 0 | ||
| Arsenic, total [as As] | 2 | 42 | 0 | ||
| Barium, total [as Ba] | 2 | 42 | 0 | ||
| Cadmium, total [as Cd] | 2 | 42 | 0 | ||
| Chromium, total [as Cr] | 2 | 42 | 0 | ||
| Copper, total [as Cu] | 2 | 42 | 0 | ||
| Lead, total [as Pb] | 2 | 42 | 0 | ||
| Manganese, total [as Mn] | 2 | 42 | 0 | ||
| Nickel, total [as Ni] | 2 | 42 | 0 | ||
| Silver, total [as Ag] | 2 | 42 | 0 | ||
| Zinc, total [as Zn] | 2 | 42 | 0 | ||
| Selenium, total [as Se] | 2 | 42 | 0 | ||
| Mercury, total [as Hg] | 2 | 42 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 2 | 24 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 2 | 24 | 0 | ||
| Whole effluent toxicity - retest #1 | 2 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 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 TXG110773.
Inspections
EPA’s inspection file holds no inspection for NPDES TXG110773.
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 TXG110773.
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, TXG110773.
Start the watch
- 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 TXG110773 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.