NORTH STORAGE FACILITY
Quick Summary
- •Released 232,772 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $430,888 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
10207 FM 1942
MONT BELVIEU, TX 77580
View on map ↗ - County
- CHAMBERS County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 211130
- Inspections
- 8 · last Aug 26, 2024
- Total Penalties
- $430,888 · last Jun 10, 2025
- Registry ID
- 110056961480
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 94,340 | — |
| 2016 | 101,057 | +7% |
| 2017 | 232,772 | +130% |
| 2018 | 187,591 | -19% |
| 2019 | 5,255 | -97% |
| 2020 | 411,404 | +7729% |
| 2021 | 305,863 | -26% |
| 2022 | 309,278 | +1% |
| 2023 | 397,328 | +28% |
| 2024 | 367,098 | -8% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbon tetrachloride | — | — | — | — | — | ♦ Carcinogen |
| Ethylene glycol | — | — | — | — | — | |
| Propylene | 189,202 | 189,202 | — | — | — | |
| n-Hexane | 70,515 | 70,515 | — | — | 2,097 | |
| Ammonia | 65,434 | 65,434 | — | — | — | |
| Ethylene | 25,912 | 25,912 | — | — | — | |
| Xylene (mixed isomers) | 4,746 | 4,746 | — | — | 367 | |
| Toluene | 4,067 | 4,067 | — | — | 713 | |
| Cyclohexane | 2,210 | 2,210 | — | — | — | |
| Chlorine | 1,561 | 1,561 | — | — | — | |
| Methanol | 1,560 | 1,560 | — | — | 192,206 | |
| Methyl tert-butyl ether | 901 | 901 | — | — | — | |
| Benzene | 837 | 837 | — | — | 168 | ♦ Carcinogen |
| Diethanolamine | 105 | 105 | — | — | — | |
| Naphthalene | 49 | 49 | — | — | 0 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene glycol | — | — | — | — | — | |
| Diethanolamine | — | — | — | — | — | |
| Carbon tetrachloride | — | — | — | — | — | ♦ Carcinogen |
| Propylene | 202,323 | 202,323 | — | — | — | |
| Ammonia | 95,570 | 95,570 | — | — | — | |
| n-Hexane | 70,451 | 70,451 | — | — | 1,546 | |
| Ethylene | 20,263 | 20,263 | — | — | 110 | |
| Xylene (mixed isomers) | 3,208 | 3,208 | — | — | 301 | |
| Methanol | 1,768 | 1,768 | — | — | 5,755 | |
| Toluene | 1,327 | 1,327 | — | — | 521 | |
| Cyclohexane | 893 | 893 | — | — | — | |
| Chlorine | 797 | 797 | — | — | — | |
| Benzene | 602 | 602 | — | — | 60 | ♦ Carcinogen |
| Methyl tert-butyl ether | 84 | 84 | — | — | 175 | |
| Naphthalene | 42 | 42 | — | — | 8 | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diethanolamine | — | — | — | — | — | |
| Carbon tetrachloride | — | — | — | — | — | ♦ Carcinogen |
| Chlorine | — | — | — | — | — | |
| Ethylene glycol | — | — | — | — | — | |
| Propylene | 157,364 | 157,364 | — | — | — | |
| n-Hexane | 66,554 | 66,554 | — | — | 42,933 | |
| Ammonia | 60,048 | 60,048 | — | — | — | |
| Ethylene | 16,825 | 16,825 | — | — | — | |
| Xylene (mixed isomers) | 3,478 | 3,478 | — | — | 244 | |
| Methanol | 1,845 | 1,845 | — | — | 4,074 | |
| Toluene | 1,714 | 1,714 | — | — | 910 | |
| Cyclohexane | 894 | 894 | — | — | — | |
| Benzene | 423 | 423 | — | — | 50 | ♦ Carcinogen |
| Naphthalene | 82 | 82 | — | — | 1,571 | ♦ Carcinogen |
| Methyl tert-butyl ether | 52 | 52 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbon tetrachloride | — | — | — | — | — | ♦ Carcinogen |
| Chlorine | — | — | — | — | — | |
| Ethylene glycol | — | — | — | — | — | |
| Methyl tert-butyl ether | — | — | — | — | 20,992 | |
| Propylene | 151,513 | 151,513 | — | — | — | |
| Ammonia | 69,263 | 69,263 | — | — | — | |
| n-Hexane | 64,759 | 64,759 | — | — | 368,710 | |
| Ethylene | 15,409 | 15,409 | — | — | — | |
| Methanol | 1,873 | 1,873 | — | — | 17,137 | |
| Xylene (mixed isomers) | 1,066 | 1,066 | — | — | 771 | |
| Cyclohexane | 803 | 803 | — | — | 0 | |
| Toluene | 722 | 722 | — | — | 68 | |
| Benzene | 317 | 317 | — | — | 28 | ♦ Carcinogen |
| Diethanolamine | 116 | 116 | — | — | 294,577 | |
| Naphthalene | 22 | 22 | — | — | 10,957 | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbon tetrachloride | — | — | — | — | — | ♦ Carcinogen |
| Methyl tert-butyl ether | — | — | — | — | 180,260 | |
| Ethylene glycol | — | — | — | — | — | |
| Propylene | 191,744 | 191,744 | — | — | — | |
| Ammonia | 122,213 | 122,213 | — | — | — | |
| n-Hexane | 67,676 | 67,676 | — | — | 511,904 | |
| Ethylene | 18,367 | 18,367 | — | — | — | |
| Xylene (mixed isomers) | 3,216 | 3,216 | — | — | 843 | |
| Toluene | 2,705 | 2,705 | — | — | 406 | |
| Chlorine | 2,229 | 2,229 | — | — | — | |
| Methanol | 1,733 | 1,733 | — | — | 22,533 | |
| Benzene | 1,187 | 1,187 | — | — | 27 | ♦ Carcinogen |
| Cyclohexane | 284 | 284 | — | — | — | |
| Naphthalene | 46 | 46 | — | — | 7,885 | ♦ Carcinogen |
| Diethanolamine | 4 | 4 | — | — | 800,775 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Methanol | 3,400 | 3,400 | — | — | — | |
| Cyclohexane | 1,730 | 1,730 | — | — | — | |
| Diethanolamine | 125 | 125 | — | — | 958,904 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diethanolamine | — | — | — | — | — | |
| Methyl tert-butyl ether | — | — | — | — | — | |
| Carbon tetrachloride | — | — | — | — | — | ♦ Carcinogen |
| Propylene | 116,560 | 116,560 | — | — | — | |
| n-Hexane | 63,860 | 63,860 | — | — | — | |
| Ethylene | 3,921 | 3,921 | — | — | — | |
| Methanol | 3,010 | 3,010 | — | — | — | |
| Benzene | 140 | 140 | — | — | 3 | ♦ Carcinogen |
| Naphthalene | 100 | 100 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | — | — | — | — | — | |
| Carbon tetrachloride | — | — | — | — | — | ♦ Carcinogen |
| Diethanolamine | — | — | — | — | — | |
| Propylene | 171,030 | 171,030 | — | — | — | |
| n-Hexane | 52,240 | 52,240 | — | — | — | |
| Ethylene | 6,551 | 6,551 | — | — | — | |
| Methanol | 2,701 | 2,701 | — | — | — | |
| Benzene | 150 | 150 | — | — | — | ♦ Carcinogen |
| Naphthalene | 100 | 100 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diethanolamine | — | — | — | — | 163,860 | |
| Carbon tetrachloride | — | — | — | — | — | ♦ Carcinogen |
| Propylene | 89,335 | 89,335 | — | — | — | |
| n-Hexane | 5,866 | 5,866 | — | — | — | |
| Methanol | 2,611 | 2,611 | — | — | — | |
| Ethylene | 1,281 | 1,281 | — | — | — | |
| 1,3-Butadiene | 747 | 747 | — | — | — | ♦ Carcinogen |
| Cyclohexane | 606 | 606 | — | — | — | |
| Chlorine | 553 | 304 | 249 | — | — | |
| Benzene | 48 | 48 | — | — | — | ♦ Carcinogen |
| Ammonia | 11 | — | 11 | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | — | — | — | — | — | |
| Diethanolamine | — | — | — | — | 155,843 | |
| Carbon tetrachloride | — | — | — | — | — | ♦ Carcinogen |
| Propylene | 79,671 | 79,671 | — | — | — | |
| n-Hexane | 7,412 | 7,412 | — | — | — | |
| Ammonia | 2,670 | 2,660 | 10 | — | — | |
| Methanol | 1,779 | 1,779 | — | — | — | |
| Cyclohexane | 855 | 855 | — | — | — | |
| Ethylene | 744 | 744 | — | — | — | |
| 1,3-Butadiene | 596 | 596 | — | — | — | ♦ Carcinogen |
| Chlorine | 511 | 303 | 208 | — | — | |
| Benzene | 103 | 103 | — | — | — | ♦ Carcinogen |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
JESSE SINCLAIR PLANT
DAYTON, TX
|
n-Hexane | 3 | — | — | — |
|
VLS HOUSTON
HOCKLEY, TX
|
n-Hexane | 10 | — | — | — |
|
LONESTAR ECOLOGY
PASADENA, TX
|
Toluene | — | — | — | 0 |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Toluene | 0 | — | — | — |
|
CLEAN HARBORS LAPORTE
LA PORTE, TX
|
Toluene | 0 | — | — | — |
|
SET ENVIRONMENTAL
HOUSTON, TX
|
Toluene | 0 | — | — | — |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Toluene | 0 | — | — | — |
|
US ECOLOGY WINNIE
WINNIE, TX
|
Toluene | 0 | — | — | — |
|
VLS HOUSTON
HOCKLEY, TX
|
Toluene | 0 | — | — | — |
|
LONESTAR ECOLOGY
PASADENA, TX
|
Benzene | 0 | — | — | — |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Benzene | 0 | — | — | — |
|
SET ENVIRONMENTAL
HOUSTON, TX
|
Benzene | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Benzene | 0 | — | — | — |
|
CLEAN HARBORS LAPORTE
LA PORTE, TX
|
Benzene | 0 | — | — | — |
|
CLEAN HARBORS LAPORTE
LA PORTE, TX
|
Methanol | 916 | — | — | — |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Methanol | — | — | — | 41,280 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Methanol | — | — | — | 58,090 |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Naphthalene | 0 | — | — | — |
|
VLS HOUSTON
HOCKLEY, TX
|
Naphthalene | 0 | — | — | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Xylene (mixed isomers) | 0 | — | — | — |
|
CLEAN HARBORS LAPORTE
LA PORTE, TX
|
Xylene (mixed isomers) | 0 | — | — | — |
|
LONESTAR ECOLOGY
PASADENA, TX
|
Xylene (mixed isomers) | 4 | — | — | — |
|
SET ENVIRONMENTAL
HOUSTON, TX
|
Xylene (mixed isomers) | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Xylene (mixed isomers) | 0 | — | — | — |
|
US ECOLOGY WINNIE
WINNIE, TX
|
Xylene (mixed isomers) | 0 | — | — | — |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Xylene (mixed isomers) | 2 | — | — | — |
|
LONESTAR ECOLOGY
PASADENA, TX
|
n-Hexane | — | — | — | 0 |
|
CLEAN HARBORS LAPORTE
LA PORTE, TX
|
n-Hexane | 0 | — | — | — |
|
FORT BEND REGIONAL LANDFILL
NEEDVILLE, TX
|
n-Hexane | 279 | — | — | — |
|
SET ENVIRONMENTAL
HOUSTON, TX
|
n-Hexane | 0 | — | — | — |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
n-Hexane | 1,354 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
n-Hexane | 2 | — | — | — |
|
US ECOLOGY WINNIE
WINNIE, TX
|
n-Hexane | 3 | — | — | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
n-Hexane | 408 | — | — | — |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | FRV | Apr 25, 2025 | — | Open |
| caa | FRV | Jul 29, 2024 | — | Open |
| caa | FRV | Jun 27, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 8, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 8, 2022 | — | Open |
| cwa | Schedule Event reported late | Sep 8, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 8, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 15, 2022 | Jun 17, 2022 | Resolved |
| cwa | Schedule Event reported late | Apr 15, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 15, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 15, 2022 | Jun 14, 2022 | Resolved |
| caa | FRV | Apr 30, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2021 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2021 | Mar 11, 2021 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2021 | Mar 11, 2021 | Resolved |
| caa | FRV | Nov 23, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2020 | — | Open |
| caa | FRV | Aug 21, 2020 | — | Open |
| caa | FRV | Jun 23, 2020 | — | Open |
| caa | FRV | May 28, 2020 | — | Open |
| cwa | Schedule Event reported late | Apr 15, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 15, 2020 | Jun 30, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 15, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 15, 2020 | Jul 9, 2020 | Resolved |
| caa | HPV | Mar 10, 2020 | Jun 20, 2021 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 12, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 12, 2019 | Jul 27, 2023 | Resolved |
| cwa | Schedule Event reported late | Sep 12, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 12, 2019 | Jul 27, 2023 | Resolved |
| caa | HPV | Aug 30, 2019 | Oct 25, 2019 | Resolved |
| caa | HPV | Aug 28, 2019 | Feb 24, 2022 | Resolved |
| caa | FRV | Nov 19, 2018 | — | Open |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Oct 15, 2018 | Oct 30, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Oct 15, 2018 | Oct 30, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Oct 15, 2018 | Oct 30, 2018 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Oct 15, 2018 | Oct 30, 2018 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Oil & Grease | DMR, Limited - Numeric Violation | 25.29 kg/d | 21.25 | +19% | Mar 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 109.10 kg/d | 91.25 | +20% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.15 kg/d | 54.03 | +26% | Feb 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 16.72 mg/L | 10.00 | +67% | Oct 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 63.00 mg/L | 15.00 | +320% | Oct 2023 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 101.00 mg/L | 75.00 | +35% | Sep 2023 | Resolved |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 192.00 mg/L | 75.00 | +156% | May 2023 | Resolved |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 177.00 mg/L | 75.00 | +136% | Apr 2023 | Resolved |
| Cyanide, free available | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.05 | +5% | Feb 2023 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 104.00 mg/L | 75.00 | +39% | Aug 2022 | Open |
| Chloroform | DMR, Limited - Numeric Violation | 0.02 kg/d | 0.01 | +64% | Aug 2022 | Open |
| Chloroform | DMR, Limited - Numeric Violation | 0.02 kg/d | 0.01 | +242% | Aug 2022 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 87.27 mg/L | 75.00 | +16% | Dec 2021 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.00 mg/L | 15.00 | +13% | Oct 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 187.46 kg/d | 147.55 | +27% | Sep 2021 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jun 2021 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Feb 2021 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jan 2021 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 84.00 mg/L | 75.00 | +12% | Dec 2020 | Resolved |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 130.00 mg/L | 75.00 | +73% | Nov 2020 | Resolved |
| Oil & Grease | DMR, Limited - Numeric Violation | 21.00 mg/L | 15.00 | +40% | Sep 2020 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 114.00 mg/L | 75.00 | +52% | Aug 2020 | Resolved |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 116.00 mg/L | 75.00 | +55% | Jan 2020 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jan 2020 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 110.00 mg/L | 15.00 | +633% | Jan 2020 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.10 occur/d | 0.00 | +2,147,483,650% | Dec 2019 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Nov 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.03 | +10% | Sep 2019 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 16.00 mg/L | 15.00 | +7% | Sep 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.68 MGD | 0.67 | +1% | Sep 2019 | Open |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 2.29 mg/L | 1.77 | +29% | Sep 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +24% | Sep 2019 | Resolved |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +18% | Aug 2019 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.70 MGD | 0.67 | +5% | Aug 2019 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.18 mg/L | 0.13 | +42% | Jul 2019 | Resolved |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 198.47 kg/d | 136.65 | +45% | Jul 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.03 | +13% | Jul 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +44% | Jul 2019 | Resolved |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 76.04 kg/d | 64.47 | +18% | Jul 2019 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 1.48 mg/L | 0.26 | +461% | Jun 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.03 | +5% | Jun 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.68 MGD | 0.67 | +2% | Jun 2019 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.48 mg/L | 0.13 | +286% | Jun 2019 | Resolved |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +33% | Jun 2019 | Resolved |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 78.00 mg/L | 75.00 | +4% | May 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.68 MGD | 0.67 | +1% | May 2019 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | May 2019 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.13 | +5% | Apr 2019 | Resolved |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +18% | Apr 2019 | Resolved |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +10% | Mar 2019 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.