Key Takeaway
Monon Quarry is a active surface mine producing Stone, located in Monon, White County, IN. It has 225 violations on record (55 S&S) and $294K in proposed penalties. Operated by Heidelberg Materials Midwest Agg, Inc..
Monon Quarry
Operator: Heidelberg Materials Midwest Agg, Inc.
Controller: Heidelberg Materials AG
Location: Monon, White County, IN
Employees: 8
Recent Violations
View all 225 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/13/2026 | 56.12030 | Non-S&S | LowNegligence | $0 |
| 01/13/2026 | 56.9300(a) | Non-S&S | LowNegligence | $0 |
| 08/19/2025 | 56.14205 | Non-S&S | LowNegligence | $177 |
| 10/02/2024 | 56.14107(a) | Non-S&S | ModNegligence | $13,095 |
| 10/02/2024 | 56.14107(a) | S&S | ModNegligence | $13,095 |
| 10/02/2024 | 56.9300(a) | Non-S&S | LowNegligence | $1,287 |
| 10/02/2024 | 56.9300(a) | Non-S&S | LowNegligence | $1,287 |
| 10/02/2024 | 56.11001 | S&S | ModNegligence | $7,481 |
| 10/02/2024 | 56.20003(a) | Non-S&S | ModNegligence | $1,773 |
| 10/02/2024 | 56.14107(a) | Non-S&S | ModNegligence | $13,095 |
| 10/02/2024 | 56.11001 | Non-S&S | LowNegligence | $1,511 |
| 10/02/2024 | 56.20003(a) | Non-S&S | ModNegligence | $1,773 |
| 10/02/2024 | 56.4200(b)(2) | Non-S&S | ModNegligence | $7,481 |
| 10/02/2024 | 56.4603(b) | Non-S&S | ModNegligence | $388 |
| 10/02/2024 | 56.12018 | Non-S&S | ModNegligence | $388 |
| 10/02/2024 | 56.12032 | S&S | ModNegligence | $1,918 |
| 10/02/2024 | 56.3130 | S&S | HighNegligence | $21,163 |
| 10/02/2024 | 56.12020 | Non-S&S | ModNegligence | $388 |
| 10/02/2024 | 56.12018 | Non-S&S | ModNegligence | $388 |
| 10/02/2024 | 56.14107(a) | Non-S&S | ModNegligence | $13,095 |
Accidents & Injuries
View all 7 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 02/14/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/17/2019 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted |
| 07/14/2005 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 51d restricted |
| 03/12/2004 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 83d restricted |
| 02/23/2004 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 18d restricted |
| 10/21/2003 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/20/2001 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 10d restricted |
Inspections
View all 67 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/13/2026 | 01/13/2026 | 12.50 | 1 |
| 08/19/2025 | 08/20/2025 | 21.00 | 1 |
| 08/19/2025 | 08/19/2025 | 4.75 | 1 |
| 11/26/2024 | 11/26/2024 | 4.25 | 1 |
| 10/02/2024 | 10/02/2024 | 51.00 | 3 |
| 04/02/2024 | 04/03/2024 | 14.50 | 1 |
| 12/04/2023 | 12/07/2023 | 110.25 | 4 |
| 11/20/2023 | 11/21/2023 | 4.50 | 1 |
| 11/20/2023 | 11/21/2023 | 17.50 | 1 |
| 11/07/2023 | 12/18/2023 | 14.25 | 2 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Monon Quarry have?
Monon Quarry has 225 MSHA violations on record, of which 55 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $294K.
What type of mine is Monon Quarry?
Monon Quarry is a Surface mine producing Stone, located in Monon, White County, IN. It currently has 8 employees.
Has anyone been injured or killed at Monon Quarry?
According to MSHA records, Monon Quarry has 7 reported accident/injury records and 0 fatalities on file.
Who operates Monon Quarry?
Monon Quarry is operated by Heidelberg Materials Midwest Agg, Inc. and controlled by Heidelberg Materials AG. MSHA Mine ID: 1202261.