NPDES AL0002666 · Clean Water Act
MOLECULAR SIEVE PLT, Chickasaw, AL: NPDES AL0002666 discharge permit, effluent exceedances, inspections, penalties
MOLECULAR SIEVE PLT, Chickasaw, Alabama: Individual permit AL0002666, held by UOP MOLECULAR SIEVE PLANT; Publicly owned treatment works; Administratively continued; issued April 18, 2008, term to April 30, 2013; discharges to CHICKASAW CREEK.
6 of the 29 pollutants listed for NPDES AL0002666 have no violation or effluent exceedance.
- Toxicity [chronic], Ceriodaphnia dubia: 1 limit, 27 violations of any kind, 25 effluent exceedances, latest July 31, 2023, largest 2,147,483,650% over the limit.
- Toxicity [chronic], Pimephales promelas [Fathead Minnow]: 1 limit, 14 violations of any kind, 12 effluent exceedances, latest April 30, 2023, largest 2,147,483,650% over the limit.
- Solids, total suspended: 4 limits, 10 violations of any kind, 8 effluent exceedances, latest January 31, 2023, largest 36% over the limit.
- Nitrogen, ammonia total [as N]: 4 limits, 4 violations of any kind, 2 effluent exceedances, latest December 31, 2009, largest 165,561% over the limit.
- Nitrogen, total [as N]: 2 limits, 4 violations of any kind, 2 effluent exceedances, latest December 31, 2004, largest 120% over the limit.
- pH: 8 limits, 3 violations of any kind, 1 effluent exceedance, latest April 30, 2004.
- Bromide [as Br]: 4 limits, 3 violations of any kind, 1 effluent exceedance, latest February 29, 2004, largest 750% over the limit.
- Barium, dissolved [as Ba]: 1 limit, 2 violations of any kind, 1 effluent exceedance, latest February 28, 2005, largest 8% over the limit.
- Flow, in conduit or thru treatment plant: 6 limits, 2 violations of any kind.
- Copper, total recoverable: 4 limits, 2 violations of any kind.
- Nickel, total recoverable: 3 limits, 2 violations of any kind.
- Zinc, total recoverable: 3 limits, 2 violations of any kind.
- Chromium, total recoverable: 3 limits, 2 violations of any kind.
- Silver total recoverable: 2 limits, 2 violations of any kind.
- Chloride [as Cl]: 3 limits, 1 violation of any kind.
- Sulfate, total [as SO4]: 3 limits, 1 violation of any kind.
- Solids, total dissolved: 3 limits, 1 violation of any kind.
- Mercury, total recoverable: 2 limits, 1 violation of any kind.
- BOD, 5-day, 20 deg. C: 1 limit, 1 violation of any kind.
- Phosphorus, total [as P]: 1 limit, 1 violation of any kind.
- %Effect Static 24Hr Acute Pimephales: 0 limits, 1 violation of any kind.
- Low Flow Pass/Fail Static Renewal 7Day Chronic Ceriodaphnia Dubia: 0 limits, 1 violation of any kind.
- LF Pass/Fail Statre 7Day Chronic Pimephales: 0 limits, 1 violation of any kind.
- Iron, total recoverable: 3 limits.
- Aluminum, total recoverable: 3 limits.
- Barium, total recoverable: 2 limits.
- Oil and grease: 2 limits.
- Chemical Oxygen Demand [COD]: 2 limits.
- Chlorine, total residual: 1 limit.
- April 8, 2026: Evaluation (S).
Alabama holds 397 Publicly owned treatment works coverages of this permit type in EPA’s file; 9 were issued before AL0002666.
Coverages issued nearest AL0002666
- 2004-09-13: BEAVER CREEK WWTP, Dothan: AL0022756, held by DOTHAN CITY OF BEAVER CK WWTP
- 2005-05-17: MOBILE MANUFACTURING CENTER, Axis: AL0001597, held by E I DUPONT DE NEMOURS MOBILE
- 2005-10-20: NORTH MOBILE COUNTY WPCF, Axis: AL0077453, held by INTEGRA WATER CREOLA LLC
- 2006-12-20: SECTION WASTEWATER TREATMENT LAGOON, Section: AL0053619, held by SECTION TOWN OF WWT LAGOON
- 2007-12-27: COUNTY LINE INDUSTRIAL PARK WWTP, Trafford: AL0071170, held by BLOUNT CO COM LINE IND PK WWTP
- 2010-02-26: SARALAND WWTP, Saraland: AL0055786, held by SARALAND CITY OF
- 2010-05-25: GERALDINE HIGH SCHOOL WWTP, Geraldine: AL0050989, held by Dekalb County Board Of Education
- 2010-06-25: STANLEY BROOKS WWTP, Prichard: AL0055204, held by CITY OF PRICHARD WW AND SB
- 2010-11-30: CLIFTON C. WILLIAMS WWTP, Mobile: AL0023086, held by MOBILE CITY OF W AND S COMM
- 2010-12-30: DAPHNE WATER RECLAMATION FACILITY, Daphne: AL0027561, held by DAPHNE UB CITY OF UTILITIES BD
MOLECULAR SIEVE PLT among its neighbors
60 discharge permits are in the Lower Chasaw Creek subwatershed (HUC 031602040305); AL0002666 is one. Its county: 1,120, 18 major; AL0002666 is major permit.
Other permits in the Lower Chasaw Creek subwatershed (HUC 031602040305)
- ALABAMA EXPORT RAILROAD - MOBILE YARD, Mobile: AL0004022, minor, term to 2022-04-30
- BERG PIPE MOBILE CORPORATION, Mobile: ALNE00339, minor, term to 2028-03-14
- BWC ALABAMA - CHICKASAW, Chickasaw: ALR108038, minor, term to 2026-03-31
- BWC ALABAMA, LLC - CHICKASAW, Chickasaw: AL0083127, minor, term to 2026-10-31
- C & J AUTOMOTIVE REPAIR, Prichard: ALG180525, minor, term to 2022-09-30
- CENTER POINT TERMINAL CHICKASAW, LLC, Chickasaw: AL0031071, minor, term to 2023-08-31
- CENTER POINT TERMINAL CHICKASAW, LLC, Chickasaw: AL0068942, minor, term to 2023-07-31
- CENTER POINT TERMINAL CHICKASAW, LLC, Chickasaw: ALG340407, minor, term to 2022-01-31
- CHICKASAW LAGOON, Chickasaw: AL0020885, major, term to 2024-09-30
- CITY OF CHICKASAW MS4 PH II, Chickasaw: ALR040044, minor, term to 2021-09-30
Identity
| Facility | MOLECULAR SIEVE PLT |
|---|---|
| Permittee | UOP MOLECULAR SIEVE PLANT |
| NPDES ID | AL0002666 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Non-POTW |
| Program | Publicly owned treatment works |
| Issued | April 18, 2008 |
| Expires | April 30, 2013 |
| Address | Chickasaw, AL 36611 |
| Receiving water | CHICKASAW CREEK |
| Subwatershed | Lower Chasaw Creek (HUC 031602040305) |
| Other EPA IDs (FRS) | RCRA handler ALD062464748; ICIS-AIR source AL0000000109708010 |
NPDES AL0002666: effluent limits and exceedances
MOLECULAR SIEVE PLT (NPDES AL0002666): 29 pollutants on file, 26 limited; 23 with a violation of any kind, 8 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Toxicity [chronic], Ceriodaphnia dubia | 1 | 27 | 25 | July 31, 2023 | 2,147,483,650% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 1 | 14 | 12 | April 30, 2023 | 2,147,483,650% over the limit |
| Solids, total suspended | 4 | 10 | 8 | January 31, 2023 | 36% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 4 | 2 | December 31, 2009 | 165,561% over the limit |
| Nitrogen, total [as N] | 2 | 4 | 2 | December 31, 2004 | 120% over the limit |
| pH | 8 | 3 | 1 | April 30, 2004 | |
| Bromide [as Br] | 4 | 3 | 1 | February 29, 2004 | 750% over the limit |
| Barium, dissolved [as Ba] | 1 | 2 | 1 | February 28, 2005 | 8% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 2 | 0 | ||
| Copper, total recoverable | 4 | 2 | 0 | ||
| Nickel, total recoverable | 3 | 2 | 0 | ||
| Zinc, total recoverable | 3 | 2 | 0 | ||
| Chromium, total recoverable | 3 | 2 | 0 | ||
| Silver total recoverable | 2 | 2 | 0 | ||
| Chloride [as Cl] | 3 | 1 | 0 | ||
| Sulfate, total [as SO4] | 3 | 1 | 0 | ||
| Solids, total dissolved | 3 | 1 | 0 | ||
| Mercury, total recoverable | 2 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| %Effect Static 24Hr Acute Pimephales | 0 | 1 | 0 | ||
| Low Flow Pass/Fail Static Renewal 7Day Chronic Ceriodaphnia Dubia | 0 | 1 | 0 | ||
| LF Pass/Fail Statre 7Day Chronic Pimephales | 0 | 1 | 0 | ||
| Iron, total recoverable | 3 | 0 | 0 | ||
| Aluminum, total recoverable | 3 | 0 | 0 | ||
| Barium, total recoverable | 2 | 0 | 0 | ||
| Oil and grease | 2 | 0 | 0 | ||
| Chemical Oxygen Demand [COD] | 2 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 |
NPDES AL0002666: inspections, violations and enforcement
NPDES AL0002666: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| April 8, 2026 | Evaluation | S |
NPDES AL0002666 (MOLECULAR SIEVE PLT): no single-event violation, formal enforcement action and informal enforcement action on file.
Watch NPDES AL0002666
NPDES AL0002666: one email when its EPA record changes — $99/month.
Permits near NPDES AL0002666
NPDES AL0002666: 29 pollutant rows, 1 dated events; ICIS-NPDES download, loaded September 15, 2026.