Clean Water Act discharge permit · NPDES AR0001171
LANXESS CORPORATION - CENTRAL PLANT, El Dorado, AR: NPDES AR0001171 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 40Pollutants under a numeric limit
- 14Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
LANXESS CORPORATION - CENTRAL PLANT, held by GREAT LAKES CHEMICAL CORPORATION-CENTRAL PLANT, holds NPDES permit AR0001171, which discharges to Bu De Loutre;Ltl Cornie Bu;Ouachita. EPA’s file records it issued December 31, 2003 and expiring December 31, 2008. 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 | LANXESS CORPORATION - CENTRAL PLANT |
|---|---|
| Permittee as filed | GREAT LAKES CHEMICAL CORPORATION-CENTRAL PLANT |
| NPDES ID | AR0001171 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 31, 2003 |
| Expiration date | December 31, 2008 |
| Address | El Dorado, AR 71730 |
| Receiving water | BU DE LOUTRE;LTL CORNIE BU;OUACHITA |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Crooked Creek-Ouachita River (HUC 080402010803) |
| NAICS | 325188 – All Other Basic Inorganic Chemical Manufacturing [2007] |
| SIC | 2819 – Industrial Inorganic Chemicals |
| Other EPA IDs (FRS) | RCRA handler ARD043195429; ICIS-AIR source AR0000000513900012 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 42Pollutants on file
- 40Under a numeric limit
- 42With a violation of any kind
- 14With 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 |
|---|---|---|---|---|---|
| Chloride [as Cl] | 22 | 284 | 227 | June 30, 2024 | 65,126% over the limit |
| Solids, total dissolved | 20 | 286 | 220 | June 30, 2024 | 25,355% over the limit |
| pH | 16 | 223 | 185 | December 31, 2025 | |
| BOD, carbonaceous [5 day, 20 C] | 2 | 70 | 48 | January 31, 2025 | 631% over the limit |
| Carbon, tot organic [TOC] | 8 | 35 | 17 | May 31, 2021 | 586% over the limit |
| Oil & Grease | 16 | 66 | 15 | June 30, 2023 | 367% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 35 | 15 | July 31, 2024 | 730% over the limit |
| Temperature, water deg. fahrenheit | 3 | 20 | 15 | September 30, 2007 | 10% over the limit |
| Sulfate, total [as SO4] | 20 | 67 | 6 | April 30, 2019 | 173% over the limit |
| Total purgeable halocarbons | 7 | 11 | 5 | June 30, 2020 | 680% over the limit |
| Whole effluent toxicity | 4 | 5 | 3 | May 31, 2011 | 100% over the limit |
| Coliform, fecal general | 2 | 23 | 2 | October 31, 2024 | 99,999% over the limit |
| Turbidity | 1 | 3 | 2 | July 31, 2019 | |
| Chlorine, total residual | 1 | 3 | 2 | July 31, 2019 | 800% over the limit |
| Flow, in conduit or thru treatment plant | 16 | 54 | 0 | ||
| Silver total recoverable | 2 | 26 | 0 | ||
| Selenium, total recoverable | 2 | 24 | 0 | ||
| Nickel, total recoverable | 2 | 24 | 0 | ||
| Zinc, total recoverable | 2 | 24 | 0 | ||
| Cadmium, total recoverable | 2 | 24 | 0 | ||
| Lead, total recoverable | 2 | 24 | 0 | ||
| Copper, total recoverable | 2 | 24 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 24 | 0 | ||
| Chromium III | 2 | 24 | 0 | ||
| Cyanide, total recoverable | 2 | 23 | 0 | ||
| Solids, total suspended | 2 | 20 | 0 | ||
| Phosphorus, total [as P] | 2 | 20 | 0 | ||
| Mercury, total recoverable | 1 | 13 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 5 | 12 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 5 | 12 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 5 | 12 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 5 | 11 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 5 | 11 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 5 | 11 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 5 | 11 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 5 | 11 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 11 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 5 | 10 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 5 | 10 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 0 | 2 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 0 | 2 | 0 | ||
| Aromatics, total purgeable | 1 | 1 | 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 AR0001171.
Inspections
EPA’s inspection file holds no inspection for NPDES AR0001171.
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 AR0001171.
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, AR0001171.
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 AR0001171 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.