Violation ID |
Occurrence Date |
Violation Type |
Violation Description(-) |
Violation Status |
Priority |
Source |
Facility Name |
Violated Reg. Meas. ID |
Violated Reg. Meas. Order No. |
Linked to Enf. |
1065994 |
09/16/2019 |
CAT2 |
Selenium, Total Recoverable Maximum Daily (MDEL) limit is 8.2 ug/L and reported value was 10 ug/L at EFF-007. |
Violation |
N |
eSMR |
Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) |
432980 |
R2-2019-0024 |
Y |
1119337 |
01/14/2023 |
Unauthorized Discharge |
Stormwater overtopped the Yeager Yard stormwater sediment basin and entered Permanente Creek upstream of receiving water monitoring location RSW-001. The flow rate is estimated to be from 100 to 312 gallons per minute; discharge occurred intermittently from January 14 through January 18. |
Violation |
None |
Report |
Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) |
432980 |
R2-2019-0024 |
N |
1087646 |
01/26/2021 |
Unauthorized Discharge |
An unauthorized chlorinated potable water discharge to Permanente Creek on January 26, 2021. The discharge did not cause adverse impacts to aquatic life. |
Violation |
N |
Report |
Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) |
432980 |
R2-2019-0024 |
Y |
1119336 |
01/05/2023 |
Unauthorized Discharge |
Approximately 89,600 gallons of stormwater permitted by Order R2-2019-0024 to be discharged at Discharge Point 005 (from Pond 20) may have breached a berm and been discharged to Permanente Creek downstream of Discharge Point 005 and upstream of receiving water monitoring location RSW-004. |
Violation |
None |
Report |
Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) |
432980 |
R2-2019-0024 |
N |
1070112 |
12/18/2019 |
CAT2 |
Selenium, Total Recoverable Maximum Daily (MDEL) limit is 8.2 ug/L and reported value was 16 ug/L at EFF-001. |
Violation |
N |
eSMR |
Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) |
432980 |
R2-2019-0024 |
Y |
1070113 |
12/18/2019 |
CAT1 |
Settleable Solids Monthly Average limit is 0.10 ml/L/hr and reported value was 0.20 ml/L/hr at EFF-005. |
Violation |
N |
eSMR |
Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) |
432980 |
R2-2019-0024 |
Y |
1087645 |
03/18/2020 |
Unauthorized Discharge |
An unauthorized chlorinated potable water discharge to Permanente Creek occurred from March 18 to 23, 2020 due to tank overflow. The discharge did not cause adverse impacts to aquatic life in the receiving water, Permanente Creek. |
Violation |
N |
Report |
Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) |
432980 |
R2-2019-0024 |
Y |
1104648 |
04/30/2022 |
CAT1 |
Settleable Solids Monthly Average limit is 0.10 ml/L/hr and reported value was 0.20 ml/L/hr at EFF-005. |
Violation |
N |
eSMR |
Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) |
432980 |
R2-2019-0024 |
Y |
1107881 |
07/29/2022 |
Order Conditions |
Lehigh previously notified the Regional Water Board on July 29, 2022 (initial reporting), August 3, 2022 (5-day Report), and thereafter in August 2022 (follow up information, such as lab reports and biological assessment) of an unauthorized discharge of potable water from the Fresh Water Tank. The details of that event are set forth in the reports previously submitted. |
Violation |
N |
eSMR |
Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) |
432980 |
R2-2019-0024 |
Y |
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