What's in Your Water?
What's Near Your Community?
Explore EPA data on toxic releases, drinking water quality, and Superfund cleanup sites across the United States.
21,870
Facilities Tracked
49,190
Water Systems
1,836
Superfund Sites
559
Chemicals Monitored
Largest Toxic Polluters
| # | Facility | Total Releases |
|---|---|---|
| 1 | RED DOG OPERATIONS | 771.3M lbs |
| 2 | KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT | 242.8M lbs |
| 3 | HECLA GREENS CREEK MINING CO | 98.1M lbs |
| 4 | NEVADA GOLD MINES LLC - GOLDSTRIKE MINES INC | 92.6M lbs |
| 5 | DARK HORSE TREATING FACILITY | 73.6M lbs |
| 6 | ASARCO LLC RAY COMPLEX/ HAYDEN SMELTER & CONCENTRATOR | 49.4M lbs |
| 7 | MIDWAY GAS PLANT | 42.1M lbs |
| 8 | NEVADA GOLD MINES LLC - CARLIN SOUTH AREA | 40.3M lbs |
| 9 | MONTANA RESOURCES LLC | 40.1M lbs |
| 10 | BASIN ELECTRIC ANTELOPE VALLEY STATION | 28.8M lbs |
Browse by State
Alabama
560 facilities · 543 water systems
Alaska
51 facilities · 404 water systems
American Samoa
1 facilities · 10 water systems
Arizona
306 facilities · 956 water systems
Arkansas
359 facilities · 667 water systems
California
1,127 facilities · 3,077 water systems
Colorado
259 facilities · 1,109 water systems
Connecticut
260 facilities · 503 water systems
Delaware
53 facilities · 209 water systems
District of Columbia
11 facilities · 12 water systems
Florida
752 facilities · 1,516 water systems
Georgia
744 facilities · 1,715 water systems
Guam
9 facilities · 4 water systems
Hawaii
35 facilities · 118 water systems
Idaho
127 facilities · 767 water systems
Illinois
977 facilities · 1,783 water systems
Indiana
891 facilities · 718 water systems
Iowa
466 facilities · 1,077 water systems
Kansas
330 facilities · 858 water systems
Kentucky
407 facilities · 376 water systems
Louisiana
406 facilities · 835 water systems
Maine
73 facilities · 361 water systems
Maryland
157 facilities · 456 water systems
Massachusetts
364 facilities · 564 water systems
Michigan
791 facilities · 1,433 water systems
Minnesota
501 facilities · 993 water systems
Mississippi
325 facilities · 990 water systems
Missouri
524 facilities · 1,666 water systems
Montana
66 facilities · 809 water systems
Nebraska
202 facilities · 596 water systems
Nevada
153 facilities · 228 water systems
New Hampshire
120 facilities · 678 water systems
New Jersey
350 facilities · 619 water systems
New Mexico
90 facilities · 590 water systems
New York
566 facilities · 2,201 water systems
North Carolina
774 facilities · 1,965 water systems
North Dakota
86 facilities · 318 water systems
Northern Mariana Islands
4 facilities · 36 water systems
Ohio
1,307 facilities · 1,094 water systems
Oklahoma
401 facilities · 883 water systems
Oregon
282 facilities · 938 water systems
Pennsylvania
1,057 facilities · 1,787 water systems
Puerto Rico
109 facilities · 402 water systems
Rhode Island
80 facilities · 92 water systems
South Carolina
560 facilities · 557 water systems
South Dakota
112 facilities · 512 water systems
Tennessee
649 facilities · 453 water systems
Texas
1,976 facilities · 4,587 water systems
U.S. Virgin Islands
7 facilities · 18 water systems
Utah
212 facilities · 559 water systems
Vermont
34 facilities · 380 water systems
Virginia
408 facilities · 1,054 water systems
Washington
308 facilities · 2,397 water systems
West Virginia
179 facilities · 424 water systems
Wisconsin
848 facilities · 977 water systems
Wyoming
64 facilities · 316 water systems
Active Superfund Sites
| Site Name | State | Site Score |
|---|---|---|
| 10th Street Site | NE | 28.90 |
| 57th and North Broadway Streets Site | KS | 50.00 |
| 700 South 1600 East PCE Plume | UT | 50.00 |
| A. O. Polymer | NJ | 28.91 |
| A.I.W. Frank/Mid-County Mustang | PA | 42.40 |
| ABC One Hour Cleaners | NC | 29.11 |
| Aberdeen Contaminated Ground Water | NC | 50.00 |
| Aberdeen Pesticide Dumps | NC | 52.70 |
| Aberdeen Proving Ground (Edgewood Area) | MD | 53.57 |
| Aberdeen Proving Ground (Michaelsville Landfill) | MD | 31.09 |
Top Chemicals by Release Volume
| Chemical | Total Releases |
|---|---|
| Zinc compounds | 640.6M lbs |
| Lead And Lead Compounds | 612.8M lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 252.9M lbs |
| Hydrogen sulfide | 203.0M lbs |
| Ammonia | 162.6M lbs |
| Manganese And Manganese Compounds | 128.2M lbs |
| Copper And Copper Compounds | 122.2M lbs |
| Methanol | 116.4M lbs |
| Arsenic compounds | 114.6M lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 106.7M lbs |
| Barium And Barium Compounds | 77.9M lbs |
| Lead compounds | 68.1M lbs |
| Manganese compounds | 54.4M lbs |
| n-Hexane | 51.7M lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 36.3M lbs |
| Styrene | 30.7M lbs |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 28.5M lbs |
| Copper compounds | 25.1M lbs |
| Ethylene glycol | 23.9M lbs |
| Vanadium compounds | 22.6M lbs |
About PlainEnviro
PlainEnviro presents EPA environmental data without advocacy framing. We don't sell water filters or promote any products. All data comes from official EPA sources including the Toxic Release Inventory (TRI), Safe Drinking Water Information System (SDWIS), and the National Priorities List (NPL).
Browse TRI facility data to see what chemicals are released in your area, check water quality reports for community water systems, or explore Superfund sites near you. Every data point links back to its EPA source, so you can verify anything you see here.
Whether you're a homebuyer researching a neighborhood, a journalist investigating environmental issues, or a resident who wants to understand local conditions, PlainEnviro gives you the raw data to form your own conclusions.