Clean Water Act discharge permit · NPDES AR0020729
CERTAINTEED GYPSUM, INC., Nashville, AR: NPDES AR0020729 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
CERTAINTEED GYPSUM, INC., held by CERTAINTEED GYPSUM MFG., INC., holds NPDES permit AR0020729, which discharges to Bluff Cr,Muddy Fork Cr-Ltl Missouri R. EPA’s file records it issued September 26, 2014 and expiring September 30, 2019. 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 | CERTAINTEED GYPSUM, INC. |
|---|---|
| Permittee as filed | CERTAINTEED GYPSUM MFG., INC. |
| NPDES ID | AR0020729 |
| 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 | September 26, 2014 |
| Expiration date | September 30, 2019 |
| Address | Nashville, AR 71852 |
| Receiving water | BLUFF CR,MUDDY FORK CR-LTL MISSOURI R |
| Subwatershed | Upper Muddy Fork (HUC 080401030202) |
| NAICS | 327420 – Gypsum Product Manufacturing |
| SIC | 3275 – Gypsum Products |
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
- 21Pollutants on file
- 18Under a numeric limit
- 21With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 6 | 16 | 8 | September 30, 2023 | 2,662% over the limit |
| Coliform, fecal general | 4 | 11 | 5 | December 31, 2020 | 99,999% over the limit |
| Solids, total suspended | 8 | 16 | 4 | September 30, 2011 | 67% over the limit |
| Oil & Grease | 8 | 16 | 4 | December 31, 2019 | 140% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 4 | 4 | June 30, 2008 | 5,920% over the limit |
| pH | 6 | 13 | 2 | September 30, 2023 | |
| Flow, in conduit or thru treatment plant | 6 | 33 | 0 | ||
| Nitrogen, ammonia total [as N] | 18 | 22 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 7 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 7 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 7 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 7 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 2 | 7 | 0 | ||
| Oxygen, dissolved [DO] | 4 | 6 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 2 | 6 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 6 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 6 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 6 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 2 | 6 | 0 | ||
| Sulfate, total [as SO4] | 0 | 4 | 0 | ||
| Solids, total dissolved | 0 | 4 | 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 AR0020729.
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
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, AR0020729.
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 AR0020729 there.
Nearby on the register
- Discharge permits in Nashville
- Every permit record in Nashville, A to Z
- Discharge permits in Arkansas
- Every permit record in Arkansas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.