Key Takeaway
PLASTER CITY QUARRY is a active surface mine producing Nonmetal, located in Borrego Springs, Imperial County, CA. It has 152 violations on record (21 S&S) and $41K in proposed penalties. Operated by United States Gypsum Company.
PLASTER CITY QUARRY
Operator: United States Gypsum Company
Controller: USG Corporation
Location: Borrego Springs, Imperial County, CA
Employees: 27
Recent Violations
View all 152 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/08/2026 | 56.12018 | Non-S&S | LowNegligence | $151 |
| 10/16/2025 | 50.30(a) | Non-S&S | HighNegligence | $151 |
| 07/30/2025 | 56.20003(a) | Non-S&S | LowNegligence | $151 |
| 01/23/2025 | 56.14100(c) | S&S | LowNegligence | $151 |
| 01/23/2025 | 56.16001 | Non-S&S | ModNegligence | $151 |
| 03/19/2024 | 56.14107 | Non-S&S | LowNegligence | $147 |
| 08/08/2023 | 56.12002 | Non-S&S | LowNegligence | $143 |
| 08/08/2023 | 56.12018 | Non-S&S | ModNegligence | $155 |
| 04/16/2023 | 50.30(a) | Non-S&S | HighNegligence | $143 |
| 01/24/2023 | 56.16001 | Non-S&S | ModNegligence | $143 |
| 08/11/2022 | 47.44(b) | Non-S&S | ModNegligence | $133 |
| 08/11/2022 | 56.17001 | Non-S&S | LowNegligence | $133 |
| 08/10/2022 | 56.4201(a)(2) | Non-S&S | ModNegligence | $183 |
| 01/26/2022 | 56.3430 | S&S | LowNegligence | $133 |
| 01/26/2022 | 56.4101 | Non-S&S | ModNegligence | $133 |
| 01/16/2022 | 50.30(a) | Non-S&S | HighNegligence | $133 |
| 08/18/2021 | 56.12004 | S&S | ModNegligence | $674 |
| 01/22/2021 | 56.4102 | Non-S&S | LowNegligence | $125 |
| 01/22/2021 | 56.14102 | Non-S&S | ModNegligence | $136 |
| 02/19/2020 | 56.17001 | Non-S&S | LowNegligence | $123 |
Accidents & Injuries
View all 28 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 03/10/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/01/2024 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 27d restricted |
| 10/26/2021 | ALL OTHER OCCUPATIONAL ILLNESSES | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 08/17/2021 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 04/05/2021 | ALL OTHER OCCUPATIONAL ILLNESSES | OCCUPATNAL ILLNESS NOT DEG 1-6 | 10d restricted |
| 03/18/2021 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 316d lost |
| 12/15/2020 | ALL OTHER OCCUPATIONAL ILLNESSES | OCCUPATNAL ILLNESS NOT DEG 1-6 | 13d lost |
| 12/15/2020 | ALL OTHER OCCUPATIONAL ILLNESSES | OCCUPATNAL ILLNESS NOT DEG 1-6 | 34d lost |
| 12/11/2020 | ALL OTHER OCCUPATIONAL ILLNESSES | OCCUPATNAL ILLNESS NOT DEG 1-6 | 119d lost, 218d restricted |
| 04/15/2020 | POWERED HAULAGE | DAYS RESTRICTED ACTIVITY ONLY | 60d restricted |
Inspections
View all 65 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/07/2026 | 01/08/2026 | 22.00 | 1 |
| 07/29/2025 | 07/31/2025 | 22.50 | 1 |
| 01/23/2025 | 01/23/2025 | 16.00 | 1 |
| 07/08/2024 | 07/09/2024 | 15.00 | 1 |
| 03/19/2024 | 03/20/2024 | 20.00 | 1 |
| 08/09/2023 | 08/09/2023 | 1.00 | 1 |
| 08/07/2023 | 08/09/2023 | 28.25 | 1 |
| 01/23/2023 | 01/25/2023 | 22.00 | 1 |
| 08/09/2022 | 08/11/2022 | 27.00 | 1 |
| 01/25/2022 | 01/27/2022 | 28.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does PLASTER CITY QUARRY have?
PLASTER CITY QUARRY has 152 MSHA violations on record, of which 21 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $41K.
What type of mine is PLASTER CITY QUARRY?
PLASTER CITY QUARRY is a Surface mine producing Nonmetal, located in Borrego Springs, Imperial County, CA. It currently has 27 employees.
Has anyone been injured or killed at PLASTER CITY QUARRY?
According to MSHA records, PLASTER CITY QUARRY has 28 reported accident/injury records and 0 fatalities on file.
Who operates PLASTER CITY QUARRY?
PLASTER CITY QUARRY is operated by United States Gypsum Company and controlled by USG Corporation. MSHA Mine ID: 0400915.