Legacy STORET Data Distribution - National Summary EPA Region State Number of Stations Number of Samples Uncompressed (Megabytes) Compressed (Megabytes) Region 1 Connecticut 561 61566 272.0 4.97 (Boston) Maine 1234 13829 61.6 1.93 Massachusetts 1221 120524 496.0 8.42 New Hampshire 1025 46371 217.0 4.96 Rhode Island 102 1154 6.8 0.25 Vermont 3401 100347 295.0 7.69 Totals 7544 343791 1348.4 28.22 Region 2 New Jersey 8047 479847 2410.0 57.90 (New York City) New York 8532 244350 1520.0 40.60 Puerto Rico 819 28303 101.0 2.77 Virgin Islands 131 9807 41.3 0.98 Totals 17529 762307 4072.3 102.25 Region 3 Delaware 921 51849 709.0 18.30 (Philadelphia) District of Columbia 136 24994 126.0 3.00 Maryland 1182 182915 989.0 21.60 Pennsylvania 13290 466176 2530.0 65.10 Virginia 31829 552803 3280.0 90.70 West Virginia 3921 236925 1400.0 32.90 Totals 51279 1515662 9034.0 231.60 Region 4 Alabama 6748 712500 2340.0 48.70 (Atlanta) Florida 29018 1220063 7010.0 201.00 Georgia 2893 564551 2060.0 41.30 Kentucky 4782 312159 1440.0 33.90 Mississippi 1617 263746 885.0 15.00 North Carolina 7323 254509 544.0 13.60 South Carolina 9298 510406 2690.0 69.80 Tennessee 5895 1234039 2990.0 65.60 Totals 67574 5071973 19959.0 488.90 Region 5 Illinois 14558 457199 3280.0 91.00 (Chicago) Indiana 2403 132934 983.0 21.50 Michigan 11548 271142 1620.0 47.50 Minnesota 8721 501678 2010.0 49.50 Ohio 12909 432650 2940.0 76.70 Wisconsin 13005 233969 1010.0 31.50 Canada 7343 1212247 1590.0 36.10 Totals 70487 3241819 13433.0 353.80 Region 6 Arkansas 2830 93834 768.0 20.60 (Dallas) Louisiana 2024 2521192 2160.0 39.60 New Mexico 2774 40204 281.0 10.00 Oklahoma 2912 74513 519.0 14.20 Texas 4991 463804 1990.0 55.60 Totals 15531 3193547 5718.0 140.00 Region 7 Iowa 4933 74299 623.0 18.30 (Kansas City) Kansas 3239 81098 1080.0 33.20 Missouri 3551 73794 437.0 13.10 Nebraska 6429 112708 736.0 22.00 Totals 18152 341899 2876.0 86.60 Region 8 Colorado 3880 103712 745.0 19.70 (Denver) Montana 2759 67952 252.0 6.77 North Dakota 216 23903 120.0 2.86 South Dakota 1403 86861 542.0 13.50 Utah 3073 39510 231.0 7.97 Wyoming 2245 12139 65.2 2.39 Totals 13576 334077 1955.2 53.19 Region 9 Arizona 4027 42959 244.0 9.15 (San Francisco) California 51646 3522398 7450.0 173.00 Hawaii 1248 64238 186.0 4.88 Nevada 1340 236895 768.0 15.50 American Samoa 16 134 0.6 0.05 Guam 208 15524 79.4 1.97 Totals 58485 3882148 8728.0 204.55 Region 10 Alaska 6091 20664 122.0 4.60 (Seattle) Idaho 7566 127310 780.0 22.80 Oregon 9399 1577287 3570.0 77.00 Washington 6905 334031 1610.0 41.60 Totals 29961 2059292 6082.0 146.00