Facilities: M

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1,713 facilities starting with "M"

This page indexes every EPA Toxics Release Inventory (TRI) facility in the PlainEnviro database whose facility name begins with the letter "M". TRI facilities are industrial sites required to disclose releases of listed toxic chemicals under EPCRA Section 313, and each one is assigned a unique EPA Facility Registry Service identifier for cross-system tracking.

The alphabetical index shows 1,713 facilities starting with "M", distributed across all 50 U.S. states and territories. The current view displays records 251–300 of 1,713, sorted by facility name. The largest disclosure in this letter group within the current sort is MARINE CORPS MOUNTAIN WARFARE TRAINING CENTER at 803 lbs across 1 chemical.

Release figures are annual, self-reported estimates filed directly to the EPA under federal community right-to-know requirements and cover air, water, land, and off-site-transfer pathways. Every pound counts equally in the total regardless of chemical toxicity, so totals should not be read as a direct hazard ranking. Click any facility to view its full chemical breakdown, release pathway mix, year-over-year trend, and sibling facilities in the same state.

Showing 251–300 of 1,713

Facility Total Releases (lbs)
Marine Corps Mountain Warfare Training Center Bridgeport 803
Marine Electrical Products Lebanon 89,095
Marine Industrial Fabrication New Iberia 454.8
Marinette Marine Corp Marinette 159,640.029
Marion Body Works Marion 0.49
Marion County Coal Resources Inc. Mannington 66,656.88
Mark Andy Chesterfield 30
Mark Anthony Brewing Columbia Columbia 0
Mark Anthony Brewing Glendale Waddell 0
Markland Manufacturing Inc. Santa Ana 7,259
Marks-Miller Post & Pole Inc Clancy 0
Markwest Hidalgo Plant Orla 219,699
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt Evans City 197
Markwest Utica Emg LLC Cadiz 14,346
Marlam Industries Inc. Phoenix 166,432
Marlan Gas Plant Carlsbad 39,689
Marlen International Inc Riverside 64.7
Marley Engineered Products Bennettsville 92.28
Marmen Energy Co Brandon 192,033.2
Marmon Aerospace & Defense LLC Manchester 92.5
Marmon Industrial Energy & Infrastructure - Mt. Pleasant Mount Pleasant 17,572
Marmon Industrial Energy & Infrastructure Group East Granby 116,105.605
Marmon Utility LLC Milford 110.193
Marmon Utility LLC Seymour 3,485.066
Marquardt Switches Inc Cazenovia 16.65
Marquez Brothers International, Inc- Dairy & Whey Plant Hanford 0
Marquis Energy LLC Hennepin 243,837
Marquis Hot Tubs LLC Independence 222,461
Marquis Xt LLC Hennepin 7,240
Marquis Yachts LLC Pulaski 48,102
Mars Chocolate Na Henderson 0
Mars Petcare US Inc. Henderson 0
Mars Petcare US Inc. Columbia 0
Mars Petcare US Inc. Columbus 18,135
Mars Petcare US Inc. Leipsic 2,393
Mars Petcare US Inc. Tomah 0
Mars Petcare US Inc. Mattoon 0
Mars Petcare US Inc. Aurora 5,686
Mars Petcare US Inc. Temple 0
Mars Petcare US Inc. Sparks 0
Mars Petcare US Inc. Victorville 0
Mars Wrigley Cleveland 63,449.33
Mars Wrigley Topeka 4,900
Mars Wrigley Confectionery US LLC Waco 0
Mars Wrigley US LLC Elizabethtown 386,037.3
Marsam Metal Finishing Co. New Britain 1,539
Marsh Furniture Co High Point 282,983.99
Marsh Plating - Willow Run Ypsilanti 65,055
Marsh Plating Corp Ypsilanti 66,792
Marshall Bulk Plant Marshall 0

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Data sourced from U.S. EPA environmental datasets. See our methodology for details.