Key Takeaway
HILLSIDE PLANT is a intermittent surface mine producing Stone, located in Morristown, Maricopa County, AZ. It has 258 violations on record (63 S&S) and $167K in proposed penalties. Operated by KILAUEA CRUSHERS INC.
HILLSIDE PLANT
Operator: KILAUEA CRUSHERS INC
Controller: C William Nichols
Location: Morristown, Maricopa County, AZ
Employees: 8
Recent Violations
View all 258 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 09/18/2025 | 56.4101 | Non-S&S | ModNegligence | $267 |
| 09/18/2025 | 56.18002(b) | Non-S&S | ModNegligence | $151 |
| 09/18/2025 | 56.15001 | Non-S&S | HighNegligence | $883 |
| 07/15/2025 | 50.30(a) | Non-S&S | ModNegligence | $151 |
| 09/03/2024 | 56.1000 | Non-S&S | HighNegligence | $280 |
| 11/14/2023 | Non-S&S | $0 | ||
| 11/14/2023 | 56.14105 | S&S | ModNegligence | $2,425 |
| 11/14/2023 | 56.14132(b)(1)(ii) | S&S | ModNegligence | $2,014 |
| 11/14/2023 | 56.14107(a) | Non-S&S | ModNegligence | $2,014 |
| 11/14/2023 | 56.14107(a) | Non-S&S | ModNegligence | $2,014 |
| 11/14/2023 | 56.18002(a) | Non-S&S | ModNegligence | $407 |
| 11/14/2023 | 56.11003 | Non-S&S | ModNegligence | $271 |
| 11/13/2023 | 56.14101(a)(3) | Non-S&S | ModNegligence | $407 |
| 11/13/2023 | 56.14107(a) | S&S | ModNegligence | $9,979 |
| 11/13/2023 | 56.12004 | Non-S&S | ModNegligence | $271 |
| 11/13/2023 | 56.14107(a) | Non-S&S | ModNegligence | $9,979 |
| 11/13/2023 | 56.14132(b)(1)(i) | S&S | ModNegligence | $1,717 |
| 11/13/2023 | 56.14107(a) | Non-S&S | ModNegligence | $9,979 |
| 11/13/2023 | 56.12032 | S&S | ModNegligence | $1,350 |
| 11/13/2023 | 56.11003 | Non-S&S | ModNegligence | $271 |
Accidents & Injuries
View all 2 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 10/17/2019 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 225d lost, 128d restricted |
| 09/26/2007 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 2d lost |
Inspections
View all 64 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 09/17/2025 | 09/18/2025 | 22.25 | 2 |
| 09/03/2024 | 09/03/2024 | 2.25 | 1 |
| 11/13/2023 | 11/22/2023 | 38.75 | 1 |
| 06/27/2023 | 06/28/2023 | 14.25 | 1 |
| 06/27/2023 | 06/27/2023 | 5.00 | 1 |
| 06/07/2023 | 06/07/2023 | 14.00 | 1 |
| 02/07/2023 | 02/13/2023 | 3.25 | 1 |
| 02/06/2023 | 02/13/2023 | 7.75 | 2 |
| 12/27/2022 | 12/29/2022 | 19.50 | 1 |
| 06/22/2022 | 06/27/2022 | 22.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does HILLSIDE PLANT have?
HILLSIDE PLANT has 258 MSHA violations on record, of which 63 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $167K.
What type of mine is HILLSIDE PLANT?
HILLSIDE PLANT is a Surface mine producing Stone, located in Morristown, Maricopa County, AZ. It currently has 8 employees.
Has anyone been injured or killed at HILLSIDE PLANT?
According to MSHA records, HILLSIDE PLANT has 2 reported accident/injury records and 0 fatalities on file.
Who operates HILLSIDE PLANT?
HILLSIDE PLANT is operated by KILAUEA CRUSHERS INC and controlled by C William Nichols. MSHA Mine ID: 0203116.