NYS DOH Measured Basement, First Floor Screening Radon Levels (October 2016)
County Test
Location
Homes
Tested
Radon Screening Values (pCi/L) Number of Homes
Average GEO Mean GEO SD MAXIMUM <4 pCi/L ≥4 & <20 pCi/L >=20 pCi/L
ALBANY Basement 2,695 5.40 2.00 3.33 394.60 2,027 556 112
ALBANY 1st Floor 1,080 2.43 0.88 3.69 89.80 951 109 20
ALLEGANY Basement 535 10.72 4.66 3.81 216.60 241 220 74
ALLEGANY 1st Floor 237 3.46 1.44 3.80 56.70 184 46 7
BROOME Basement 3,321 5.91 2.88 3.27 210.70 2,064 1,066 191
BROOME 1st Floor 952 3.09 1.42 3.39 72.90 756 181 15
CATTARAUGUS Basement 1,467 9.47 4.21 3.35 522.10 726 576 165
CATTARAUGUS 1st Floor 490 4.05 1.74 3.68 174.40 351 132 7
CAYUGA Basement 1,248 4.72 2.84 2.63 145.60 833 379 36
CAYUGA 1st Floor 1,036 2.37 1.27 3.03 91.20 883 146 7
CHAUTAUQUA Basement 1,020 6.07 2.74 3.51 141.00 657 306 57
CHAUTAUQUA 1st Floor 253 2.73 1.06 3.72 58.70 213 35 5
CHEMUNG Basement 2,056 12.43 7.03 3.23 118.30 606 1,036 414
CHEMUNG 1st Floor 475 6.46 2.59 4.21 224.90 281 167 27
CHENANGO Basement 676 9.70 4.91 3.31 105.50 284 307 85
CHENANGO 1st Floor 451 3.71 1.44 4.36 75.20 338 102 11
CLINTON Basement 242 2.09 1.21 2.82 23.20 214 27 1
CLINTON 1st Floor 94 1.14 0.61 2.90 11.60 90 4 0
COLUMBIA Basement 680 6.96 3.75 3.14 298.00 329 310 41
COLUMBIA 1st Floor 337 3.08 1.59 3.51 24.10 254 81 2
CORTLAND Basement 1,690 14.55 8.44 3.23 125.30 402 895 393
CORTLAND 1st Floor 724 6.65 3.36 3.73 76.70 369 308 47
DELAWARE Basement 730 8.36 3.99 3.43 180.40 356 307 67
DELAWARE 1st Floor 671 3.72 1.71 3.56 62.60 494 156 21
DUTCHESS Basement 3,253 6.80 3.97 3.00 135.20 1,514 1,564 175
DUTCHESS 1st Floor 1,140 3.10 1.62 3.44 61.10 870 261 9
ERIE Basement 7,440 5.23 1.64 3.91 391.10 5,775 1,258 407
ERIE 1st Floor 1,405 3.42 1.05 4.05 144.70 1,164 190 51
ESSEX Basement 167 1.60 1.04 2.45 26.30 158 8 1
ESSEX 1st Floor 57 0.74 0.48 2.50 4.10 56 1 0
FRANKLIN Basement 107 1.27 0.89 2.43 6.20 105 2 0
FRANKLIN 1st Floor 39 0.55 0.35 2.51 3.80 39 0 0
FULTON Basement 153 2.66 1.48 2.80 30.10 131 19 3
FULTON 1st Floor 44 1.10 0.55 3.05 10.90 42 2 0
GENESEE Basement 721 7.66 3.29 3.01 322.70 461 212 48
GENESEE 1st Floor 229 4.68 1.30 4.25 170.40 183 36 10
GREENE Basement 356 6.80 2.94 3.35 245.20 220 119 17
GREENE 1st Floor 415 2.34 0.74 3.53 205.40 381 29 5
HAMILTON Basement 23 1.99 1.15 2.82 12.70 20 3 0
HAMILTON 1st Floor 3 0.30 0.29 1.42 0.40 3 0 0
HERKIMER Basement 307 6.19 3.47 2.94 74.10 172 118 17
HERKIMER 1st Floor 150 2.29 1.17 3.43 17.00 120 30 0
JEFFERSON Basement 287 5.54 2.05 3.54 336.30 204 73 10
JEFFERSON 1st Floor 143 1.78 0.75 3.34 35.00 130 11 2
LEWIS Basement 111 4.60 2.35 2.86 107.60 79 29 3
LEWIS 1st Floor 53 2.48 1.36 3.35 10.80 42 11 0
LIVINGSTON Basement 909 8.21 3.59 3.30 157.60 515 315 79
LIVINGSTON 1st Floor 1,301 4.68 1.86 3.64 196.80 959 285 57
MADISON Basement 1,155 6.12 3.25 2.97 203.60 674 422 59
MADISON 1st Floor 499 2.63 1.32 3.19 79.00 420 76 3
MONROE Basement 2,766 3.65 1.76 2.77 405.60 2,294 408 64
MONROE 1st Floor 4,740 0.80 0.41 2.74 259.50 4,673 58 9
MONTGOMERY Basement 246 4.09 2.28 3.14 44.00 164 77 5
MONTGOMERY 1st Floor 321 0.89 0.44 2.89 18.60 307 14 0
NASSAU Basement 779 1.49 1.03 2.39 13.90 734 45 0
NASSAU 1st Floor 229 0.75 0.47 2.63 12.60 227 2 0
NEW YORK Basement 1,449 1.69 0.92 2.90 49.50 1,343 97 9
NEW YORK 1st Floor 382 1.24 0.40 3.15 146.70 370 9 3
NIAGARA Basement 1,413 1.84 1.09 2.65 65.40 1,285 122 6
NIAGARA 1st Floor 269 0.95 0.52 2.86 13.00 263 6 0
ONEIDA Basement 2,238 6.11 2.95 3.26 601.40 1,375 737 126
ONEIDA 1st Floor 798 3.02 1.23 3.89 83.10 632 150 16
ONONDAGA Basement 9,254 8.14 3.60 3.60 348.80 4,915 3,522 817
ONONDAGA 1st Floor 2,204 4.71 1.72 4.18 233.60 1,581 531 92
ONTARIO Basement 672 5.43 3.01 2.87 125.00 422 221 29
ONTARIO 1st Floor 591 1.29 0.50 3.55 24.90 547 40 4
ORANGE Basement 2,452 5.33 2.87 3.00 160.80 1,510 853 89
ORANGE 1st Floor 1,035 2.74 1.33 3.21 128.70 857 169 9
ORLEANS Basement 519 3.59 1.91 2.77 86.40 412 96 11
ORLEANS 1st Floor 79 1.37 0.76 2.92 16.40 73 6 0
OSWEGO Basement 278 2.74 1.48 2.73 56.30 240 33 5
OSWEGO 1st Floor 77 2.32 0.66 3.68 42.80 71 3 3
OTSEGO Basement 1,401 8.84 4.45 3.38 350.80 612 656 133
OTSEGO 1st Floor 1,856 3.86 1.96 3.38 87.60 1,333 487 36
OUT OF STATE Basement 198 3.91 2.20 3.03 52.10 138 57 3
OUT OF STATE 1st Floor 53 2.32 1.07 3.80 19.50 45 8 0
PUTNAM Basement 1,023 4.77 2.66 2.91 235.20 663 333 27
PUTNAM 1st Floor 367 3.38 1.50 3.16 254.70 303 59 5
RENSSELAER Basement 2,152 6.97 3.43 3.45 134.70 1,159 833 160
RENSSELAER 1st Floor 1,489 1.92 0.72 3.87 43.00 1,319 154 16
ROCKLAND Basement 2,717 2.53 1.54 2.60 123.70 2,316 378 23
ROCKLAND 1st Floor 822 1.33 0.79 2.68 23.30 781 37 4
SARATOGA Basement 1,530 4.27 2.28 2.97 142.20 1,102 391 37
SARATOGA 1st Floor 494 2.20 1.07 3.23 63.10 433 58 3
SCHENECTADY Basement 1,213 4.79 2.05 3.07 186.40 932 236 45
SCHENECTADY 1st Floor 534 2.22 0.72 3.67 127.00 480 49 5
SCHOHARIE Basement 334 6.05 3.06 3.18 94.00 198 115 21
SCHOHARIE 1st Floor 144 2.65 1.25 3.32 58.90 122 21 1
SCHUYLER Basement 186 5.99 3.41 2.90 80.40 105 74 7
SCHUYLER 1st Floor 115 2.10 1.03 3.32 18.60 100 15 0
SENECA Basement 216 3.11 1.90 2.77 25.50 173 42 1
SENECA 1st Floor 83 1.31 0.80 2.91 6.80 78 5 0
ST.LAWRENCE Basement 344 2.92 1.54 2.81 66.50 295 41 8
ST.LAWRENCE 1st Floor 179 1.11 0.64 2.79 12.40 172 7 0
STEUBEN Basement 1,497 11.81 6.18 3.39 415.20 504 744 249
STEUBEN 1st Floor 737 4.42 1.84 3.93 97.60 522 190 25
SUFFOLK Basement 527 1.81 1.17 2.53 42.60 489 35 3
SUFFOLK 1st Floor 211 0.94 0.54 2.75 10.80 206 5 0
SULLIVAN Basement 237 3.73 2.00 3.07 46.00 174 57 6
SULLIVAN 1st Floor 72 1.87 1.03 2.85 23.30 66 5 1
TIOGA Basement 945 10.50 4.90 3.62 236.80 406 414 125
TIOGA 1st Floor 326 5.03 2.26 3.85 67.50 206 106 14
TOMPKINS Basement 1,732 5.06 2.88 2.93 206.80 1,065 612 55
TOMPKINS 1st Floor 826 2.32 1.20 3.21 56.10 705 115 6
ULSTER Basement 1,430 5.15 2.90 2.78 175.70 909 475 46
ULSTER 1st Floor 662 2.36 1.14 3.16 109.50 578 79 5
UNKNOWN Basement 26 4.63 2.15 3.53 34.50 18 7 1
UNKNOWN 1st Floor 20 2.33 1.07 3.37 17.10 17 3 0
WARREN Basement 283 3.40 1.70 2.85 90.10 235 42 6
WARREN 1st Floor 84 2.43 0.87 3.61 44.80 75 6 3
WASHINGTON Basement 589 6.25 3.29 3.20 73.60 336 218 35
WASHINGTON 1st Floor 371 2.77 1.18 3.77 58.00 304 61 6
WAYNE Basement 610 4.62 2.55 2.84 63.60 438 147 25
WAYNE 1st Floor 675 1.23 0.52 3.76 21.30 640 34 1
WESTCHESTER Basement 2,535 2.86 1.74 2.65 95.40 2,097 412 26
WESTCHESTER 1st Floor 718 1.47 0.84 2.73 77.70 681 35 2
WYOMING Basement 541 9.83 4.35 3.67 226.20 259 219 63
WYOMING 1st Floor 236 3.35 1.42 3.73 41.60 186 44 6
YATES Basement 193 5.67 3.22 2.93 69.00 110 72 11
YATES 1st Floor 84 2.49 1.43 2.87 16.80 72 12 0