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MSHA mine register by county

Mines in Medina County, Texas

Medina County, Texas has 40 mines on MSHA's register: 9 active, 29 abandoned. 98 accidents have been reported at these mines between 1987 and 2026. Inspectors have issued 1,401 citations.

Every mine MSHA has registered in Medina County, working or not, with the accident, fatality and citation record each one carries on this site. Active mines are listed first, then the rest by the weight of their record.

Abandoned and historical mine features in Medina County →

Mines on register
40
Active
9
Fatalities on record
0
Citations issued
1,401
1 underground · 39 surface · 0 facilities 0 coal · 40 metal and non-metal 29 abandoned 98 reported accidents, 1987–2026
Local economic context
ⓘ County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Medina County, Texas · Population 52,419
3.1%
Mining share of county employment
$73,462
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
On the map 
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MSHA-registered mine, any status

Mines plot only where MSHA holds a surveyed coordinate for the site; mines the agency locates to a town, county or state centroid are in the counts and the list above but not drawn. Click a point for the mine's status and record.

Operators with the most mines herecurrent operator of record
Operator Mines Active Fatalities
Martin Marietta Materials Southwest, LLC 5 2 0
South Texas Aggregates Inc. 4 0 0
Vulcan Construction Materials, LLC. 4 2 0
Capitol Aggregates, Inc. 2 1 0
Ace Aggregates, LLC 1 1 0
Arrow Materials Inc 1 0 0
Benke Company 1 0 0
Bexar Quarry Services 1 0 0
Big Country Land Excavation Inc 1 0 0
Cuatro T Construction 1 0 0
Mines in Medina County40 on register
  1. Rio Medina
    Surface metal/non-metal · Martin Marietta Materials Southwest LLC · MSHA ID 4103594
    Active
  2. Mico Quarry
    Surface metal/non-metal · Vulcan Construction Materials, LLC · MSHA ID 4104711
    Active
  3. Medina Rock & Rail
    Surface metal/non-metal · Martin Marietta Materials Southwest, LLC · MSHA ID 4105170
    Active
  4. FM 1283
    Surface metal/non-metal · H.L. Zumwalt Quarry Operations · MSHA ID 4105008
    Active
  5. Cobey Hollow Stone- Mico
    Surface metal/non-metal · Ace Aggregates, LLC · MSHA ID 4105287
    Active
  6. Hondo Plant
    Surface metal/non-metal · NM ENERGY LLC · MSHA ID 4104853
    Active
  7. Rio Medina Operations
    Surface metal/non-metal · Capitol Aggregates Inc · MSHA ID 4105278
    Active
  8. 711 Quarry
    Surface metal/non-metal · Medina Aggregates, LLC · MSHA ID 4105005
    Active
  9. Medina Quarry
    Surface metal/non-metal · Vulcan Construction Materials, LLC. · MSHA ID 4105417
    Active
  10. Medina River Plant
    Surface metal/non-metal · Capitol Aggregates, Inc. · MSHA ID 4103956
    Abandoned
  11. M G Building Materials Aggr Div, LTD
    Surface metal/non-metal · M G Building Materials Aggr Div. LTD · MSHA ID 4104155
    Abandoned
  12. Mobile Crusher
    Surface metal/non-metal · Dean Word Company · MSHA ID 4103037
    Abandoned
  13. Hondo S & G #89
    Surface metal/non-metal · Ingram Readymix Inc. · MSHA ID 4103810
    Abandoned
  14. EM Sand Pit
    Surface metal/non-metal · EM Sand Pit · MSHA ID 4103768
    Abandoned
  15. Hondo # 1
    Surface metal/non-metal · Martin Marietta Materials Southwest, Inc · MSHA ID 4104090
    Abandoned
  16. Geronimo Creek Quarry
    Surface metal/non-metal · Vulcan Construction Materials, L.P. · MSHA ID 4103409
    Abandoned
  17. Cobey
    Surface metal/non-metal · Martin Marietta Materials Southwest, Inc · MSHA ID 4104140
    Abandoned
  18. South Texas Portable Plant
    Surface metal/non-metal · Vulcan Construction Materials, LLC · MSHA ID 4104454
    Abandoned
  19. Hondo #2
    Surface metal/non-metal · Martin Marietta Materials Southwest, LLC · MSHA ID 4104708
    Abandoned
  20. Wolff Pit
    Surface metal/non-metal · D'Hanis Brick & Tile Company · MSHA ID 4100273
    Abandoned
  21. Medina Valley Materials
    Surface metal/non-metal · Medina Valley Materials LLC · MSHA ID 4105466
    Abandoned
  22. RIO MEDINA PLANT
    Surface metal/non-metal · South Texas Aggregates Inc · MSHA ID 4103957
    Abandoned
  23. 341 Quarry
    Surface metal/non-metal · South Texas Aggregates Inc. · MSHA ID 4105476
    Abandoned
  24. Highway 173 Quarry
    Surface metal/non-metal · Dalrymple Gravel & Contracting Co., Inc. · MSHA ID 4105558
    Abandoned
  25. Deep Creek Materials
    Surface metal/non-metal · Bexar Quarry Services · MSHA ID 4104597
    Abandoned
  26. Deep Creek Materials
    Surface metal/non-metal · S.A. Rock Products · MSHA ID 4104710
    Abandoned
  27. Castroville Plant
    Surface metal/non-metal · South Texas Aggregates Inc · MSHA ID 4103464
    Abandoned
  28. Benke Pit
    Surface metal/non-metal · Benke Company · MSHA ID 4104647
    Abandoned
  29. J A MUMME
    Surface metal/non-metal · J A Mumme Sand & Gravel · MSHA ID 4104251
    Abandoned
  30. 341 Pit
    Surface metal/non-metal · Cuatro T Construction · MSHA ID 4105854
    New Mine
  31. 471 Pit
    Surface metal/non-metal · Big Country Land Excavation Inc · MSHA ID 4103289
    Abandoned
  32. Arrow Material 471 Pit
    Surface metal/non-metal · Arrow Materials Inc · MSHA ID 4104479
    Abandoned
  33. Enhanced Oil Recovery System
    Underground metal/non-metal · Use/Cb Oil Venture Of Texas Inc · MSHA ID 4103159
    Abandoned
  34. Homemade 48 Portable Crusher
    Surface metal/non-metal · R C Fulfer Company Inc · MSHA ID 4103403
    Abandoned
  35. Jarco Aggregates Castroville Pit
    Surface metal/non-metal · Madden Materials · MSHA ID 4105875
    New Mine
  36. Medina Gravel Pit & Plant
    Surface metal/non-metal · South Texas Aggregates Inc · MSHA ID 4101803
    Abandoned
  37. Medina Pit
    Surface metal/non-metal · Rocland Industries Inc · MSHA ID 4101240
    Abandoned
  38. Portable Rock Crushing Plant #1
    Surface metal/non-metal · Medina Crushed Stone · MSHA ID 4103637
    Abandoned
  39. QUARRY PRODUCTS INC
    Surface metal/non-metal · Quarry Products Inc · MSHA ID 4103904
    Abandoned
  40. Sunbelt Gravel
    Surface metal/non-metal · Sunbelt Gravel · MSHA ID 4103406
    Abandoned

Status, type and operator are as reported to MSHA. Fatality and accident counts are MSHA's reportable accident records for the mine; citations are inspector-issued violations on record. Each mine's own page carries the full detail.

Other counties in TexasAll counties →
How to read these numbers

The register is MSHA's Mine Data Retrieval System: every operation ever assigned a mine ID, including ones abandoned decades ago, so the count is a history of mining in the county, not a count of working mines. A mine's county is the one its operator reported to MSHA. Fatality and accident counts start with MSHA's reportable-accident records (1983 onward); citation counts are inspector-issued violations on record. We are an independent research tool, not MSHA.