Tennessee Tap Water Quality Report
288 cities analyzed • 6,062,365 people served
Updated March 2026 • Data from EWG & EPA SDWIS
Most Common Contaminants in Tennessee
| Contaminant | Found In | % of Cities |
|---|---|---|
| Total trihalomethanes (TTHMs) carcinogen | 212 of 288 | 74% |
| Haloacetic acids (HAA5) carcinogen | 206 of 288 | 72% |
| Bromodichloromethane carcinogen | 204 of 288 | 71% |
| Chloroform carcinogen | 203 of 288 | 70% |
| Nitrate carcinogen | 184 of 288 | 64% |
| Dichloroacetic acid carcinogen | 176 of 288 | 61% |
| Trichloroacetic acid carcinogen | 164 of 288 | 57% |
| Dibromochloromethane carcinogen | 160 of 288 | 56% |
| Monochloroacetic acid | 138 of 288 | 48% |
| Manganese | 116 of 288 | 40% |
City-by-City Water Quality Rankings
Ranked by number of contaminants above EWG health guidelines (most to fewest).
| # | City | Detected | Above Guidelines | Above Legal | People Served |
|---|---|---|---|---|---|
| 1 | Ft. Campbell | 25 | 15 | 3 | 43,270 |
| 2 | Corryton | 21 | 14 | 0 | 25,558 |
| 3 | Church Hill | 23 | 14 | 0 | 20,294 |
| 4 | Morristown | 20 | 13 | 0 | 38,257 |
| 5 | Lavergne | 22 | 13 | 0 | 38,243 |
| 6 | Portland | 18 | 13 | 0 | 23,509 |
| 7 | Gladeville | 19 | 13 | 0 | 19,813 |
| 8 | Talbott | 20 | 13 | 0 | 18,368 |
| 9 | Bean Station | 20 | 13 | 0 | 0 |
| 10 | Smyrna | 25 | 12 | 0 | 57,466 |
| 11 | Springfield | 18 | 12 | 0 | 39,629 |
| 12 | Sevierville | 18 | 12 | 0 | 36,542 |
| 13 | Shelbyville | 23 | 12 | 2 | 34,772 |
| 14 | Lenoir City | 20 | 12 | 0 | 33,675 |
| 15 | Dandridge | 18 | 12 | 0 | 25,320 |
| 16 | Dayton | 21 | 12 | 0 | 23,660 |
| 17 | Lewisburg | 24 | 12 | 0 | 22,273 |
| 18 | Lawrenceburg | 19 | 12 | 0 | 21,603 |
| 19 | Russellville | 21 | 12 | 0 | 20,039 |
| 20 | Pleasant View | 18 | 12 | 0 | 18,854 |
| 21 | Loudon | 21 | 12 | 0 | 15,102 |
| 22 | Kingston | 17 | 12 | 0 | 14,942 |
| 23 | Camden | 17 | 12 | 2 | 9,877 |
| 24 | Mohawk | 18 | 12 | 0 | 9,280 |
| 25 | Greenbrier | 18 | 12 | 0 | 8,555 |
| 26 | Petersburg | 17 | 12 | 0 | 1,071 |
| 27 | Cowan | 19 | 12 | 0 | 0 |
| 28 | Kingsport | 19 | 11 | 0 | 106,765 |
| 29 | Jackson | 22 | 11 | 1 | 91,111 |
| 30 | Spring Hill | 21 | 11 | 0 | 60,893 |
| 31 | Gallatin | 15 | 11 | 0 | 59,612 |
| 32 | Hendersonville | 18 | 11 | 0 | 59,138 |
| 33 | Millington | 16 | 11 | 0 | 57,129 |
| 34 | Mcminnville | 17 | 11 | 0 | 27,810 |
| 35 | Lafayette | 15 | 11 | 0 | 20,784 |
| 36 | Ocoee | 22 | 11 | 0 | 20,607 |
| 37 | Soddy Daisy | 16 | 11 | 0 | 19,792 |
| 38 | Dyersburg | 12 | 11 | 0 | 19,759 |
| 39 | Smartt | 19 | 11 | 0 | 17,947 |
| 40 | Harriman | 14 | 11 | 0 | 14,915 |
| 41 | Westmoreland | 15 | 11 | 0 | 5,873 |
| 42 | Holladay | 18 | 11 | 0 | 3,582 |
| 43 | Clifton | 18 | 11 | 2 | 3,421 |
| 44 | Mosheim | 16 | 11 | 0 | 2,089 |
| 45 | Mooresburg | 12 | 11 | 0 | 1,755 |
| 46 | Clairfield | 12 | 11 | 2 | 1,305 |
| 47 | Counce | 21 | 11 | 2 | 0 |
| 48 | Johnson City | 18 | 10 | 0 | 106,070 |
| 49 | White House | 16 | 10 | 0 | 104,872 |
| 50 | Columbia | 20 | 10 | 0 | 78,630 |
| 51 | Madison | 17 | 10 | 0 | 78,133 |
| 52 | Franklin | 17 | 10 | 0 | 77,411 |
| 53 | Hixson | 16 | 10 | 0 | 68,368 |
| 54 | Dickson | 19 | 10 | 0 | 66,725 |
| 55 | Newport | 18 | 10 | 0 | 32,995 |
| 56 | Elizabethton | 17 | 10 | 0 | 31,956 |
| 57 | Athens | 17 | 10 | 0 | 25,851 |
| 58 | Clinton | 15 | 10 | 0 | 25,700 |
| 59 | Greeneville | 16 | 10 | 0 | 25,425 |
| 60 | Fayetteville | 18 | 10 | 0 | 23,102 |
| 61 | Winchester | 17 | 10 | 0 | 22,666 |
| 62 | Jamestown | 15 | 10 | 0 | 15,909 |
| 63 | Livingston | 13 | 10 | 0 | 15,733 |
| 64 | New Tazewell | 19 | 10 | 0 | 15,415 |
| 65 | Sweetwater | 15 | 10 | 0 | 13,825 |
| 66 | Rogersville | 16 | 10 | 0 | 12,915 |
| 67 | Pulaski | 16 | 10 | 0 | 11,358 |
| 68 | Jacksboro | 22 | 10 | 0 | 11,060 |
| 69 | Rockwood | 13 | 10 | 0 | 10,721 |
| 70 | Luttrell | 16 | 10 | 0 | 9,887 |
| 71 | Kingston Springs Tn | 11 | 10 | 0 | 9,049 |
| 72 | Decatur | 13 | 10 | 0 | 6,281 |
| 73 | Summertown | 12 | 10 | 0 | 5,440 |
| 74 | Decherd | 14 | 10 | 0 | 4,613 |
| 75 | Allons | 13 | 10 | 0 | 4,246 |
| 76 | Brighton | 13 | 10 | 0 | 4,058 |
| 77 | Monteagle | 14 | 10 | 0 | 3,645 |
| 78 | Niota | 17 | 10 | 0 | 3,623 |
| 79 | Piperton | 14 | 10 | 0 | 2,956 |
| 80 | Rocky Top | 17 | 10 | 0 | 1,963 |
| 81 | Watertown | 11 | 10 | 0 | 1,920 |
| 82 | Gatlinburg | 18 | 10 | 0 | 1,596 |
| 83 | Huntland | 11 | 10 | 0 | 1,503 |
| 84 | Adams | 15 | 10 | 0 | 0 |
| 85 | Sneedville | 11 | 10 | 0 | 0 |
| 86 | Belvidere | 11 | 10 | 0 | 0 |
| 87 | Memphis | 19 | 9 | 0 | 659,500 |
| 88 | Clarksville | 15 | 9 | 0 | 251,864 |
| 89 | Knoxville | 21 | 9 | 0 | 242,383 |
| 90 | Chattanooga | 18 | 9 | 0 | 190,067 |
| 91 | Mount Juliet | 15 | 9 | 0 | 86,978 |
| 92 | Lebanon | 15 | 9 | 0 | 61,074 |
| 93 | Maryville | 16 | 9 | 0 | 50,648 |
| 94 | Cookeville | 17 | 9 | 0 | 47,464 |
| 95 | Bristol | 13 | 9 | 0 | 37,457 |
| 96 | Oak Ridge | 17 | 9 | 0 | 36,392 |
| 97 | Jonesborough | 16 | 9 | 0 | 32,983 |
| 98 | Alcoa | 13 | 9 | 0 | 30,944 |
| 99 | Lexington | 15 | 9 | 0 | 25,981 |
| 100 | Smithville | 14 | 9 | 0 | 17,511 |
| 101 | Blountville | 14 | 9 | 0 | 15,234 |
| 102 | Madisonville | 14 | 9 | 0 | 15,087 |
| 103 | Covington | 12 | 9 | 0 | 14,334 |
| 104 | Bethpage | 13 | 9 | 0 | 13,883 |
| 105 | Paris | 13 | 9 | 0 | 12,874 |
| 106 | Lyles | 13 | 9 | 0 | 12,701 |
| 107 | Etowah | 13 | 9 | 0 | 12,508 |
| 108 | Erwin | 16 | 9 | 0 | 12,236 |
| 109 | Wartburg | 12 | 9 | 0 | 12,074 |
| 110 | Woodlawn | 14 | 9 | 0 | 12,069 |
| 111 | Ripley | 11 | 9 | 0 | 9,254 |
| 112 | Algood | 17 | 9 | 0 | 8,949 |
| 113 | Ashland City | 10 | 9 | 0 | 8,494 |
| 114 | Red Boiling Springs | 11 | 9 | 0 | 6,495 |
| 115 | Lynchburg | 10 | 9 | 0 | 6,405 |
| 116 | White Pine | 13 | 9 | 0 | 5,771 |
| 117 | Monterey | 12 | 9 | 0 | 4,501 |
| 118 | Unicoi | 16 | 9 | 0 | 4,336 |
| 119 | Lobelville | 12 | 9 | 0 | 4,272 |
| 120 | Englewood | 14 | 9 | 0 | 3,742 |
| 121 | Chapel Holl | 11 | 9 | 0 | 3,100 |
| 122 | Surgoinsville | 9 | 9 | 0 | 2,609 |
| 123 | Rutledge | 11 | 9 | 0 | 2,102 |
| 124 | St. Joseph | 10 | 9 | 0 | 1,493 |
| 125 | Springville | 13 | 9 | 0 | 1,492 |
| 126 | Liberty | 12 | 9 | 0 | 1,199 |
| 127 | Cumberland City | 18 | 9 | 0 | 1,162 |
| 128 | Westpoint | 10 | 9 | 0 | 418 |
| 129 | Jasper | 10 | 9 | 0 | 0 |
| 130 | Iron City | 11 | 9 | 0 | 0 |
| 131 | Murfreesboro | 17 | 8 | 0 | 208,497 |
| 132 | Cleveland | 16 | 8 | 0 | 87,960 |
| 133 | Crossville | 16 | 8 | 0 | 31,973 |
| 134 | Tullahoma | 12 | 8 | 0 | 29,952 |
| 135 | La Follette | 15 | 8 | 0 | 27,637 |
| 136 | Georgetown | 20 | 8 | 1 | 27,065 |
| 137 | Manchester | 13 | 8 | 0 | 21,898 |
| 138 | Selmer | 11 | 8 | 0 | 20,139 |
| 139 | Munford | 10 | 8 | 0 | 18,664 |
| 140 | Vonore | 11 | 8 | 0 | 14,836 |
| 141 | Townsend | 10 | 8 | 0 | 12,028 |
| 142 | Centerville | 12 | 8 | 0 | 11,348 |
| 143 | Woodbury | 12 | 8 | 0 | 11,327 |
| 144 | Hartsville | 11 | 8 | 0 | 10,750 |
| 145 | Elizabethon | 8 | 8 | 0 | 9,560 |
| 146 | Dunlap | 9 | 8 | 0 | 8,520 |
| 147 | Linden | 13 | 8 | 0 | 7,062 |
| 148 | Spencer | 12 | 8 | 0 | 6,022 |
| 149 | New Market | 10 | 8 | 0 | 5,679 |
| 150 | Pikeville | 9 | 8 | 0 | 5,346 |
| 151 | Tracy City | 13 | 8 | 0 | 5,343 |
| 152 | Jellico | 12 | 8 | 0 | 5,129 |
| 153 | Gordonsville | 13 | 8 | 0 | 4,336 |
| 154 | Parsons | 11 | 8 | 2 | 4,261 |
| 155 | Allardt | 13 | 8 | 0 | 3,946 |
| 156 | Vanleer | 9 | 8 | 0 | 3,543 |
| 157 | Spring City | 11 | 8 | 0 | 3,172 |
| 158 | Alexandria | 14 | 8 | 0 | 2,751 |
| 159 | Ramer | 11 | 8 | 0 | 2,134 |
| 160 | Riddleton | 13 | 8 | 0 | 2,125 |
| 161 | Only | 12 | 8 | 0 | 1,604 |
| 162 | Butler | 10 | 8 | 0 | 1,130 |
| 163 | Sapphire | 10 | 8 | 0 | 1,074 |
| 164 | Hornsby | 11 | 8 | 0 | 929 |
| 165 | Jefferson City | 9 | 8 | 0 | 0 |
| 166 | Grandview | 18 | 8 | 0 | 0 |
| 167 | Waverly | 9 | 8 | 0 | 0 |
| 168 | Nashville | 11 | 7 | 0 | 755,890 |
| 169 | Collierville | 12 | 7 | 0 | 51,320 |
| 170 | Huntsville | 14 | 7 | 0 | 11,987 |
| 171 | Sparta | 9 | 7 | 0 | 10,735 |
| 172 | Oneida | 13 | 7 | 0 | 10,688 |
| 173 | Signal Mountain | 9 | 7 | 0 | 9,053 |
| 174 | Rickman | 9 | 7 | 0 | 8,628 |
| 175 | Mount Pleasant | 10 | 7 | 0 | 8,610 |
| 176 | Byrdstown | 10 | 7 | 0 | 8,428 |
| 177 | Minor Hill | 13 | 7 | 0 | 7,661 |
| 178 | Pleasant Hill | 9 | 7 | 0 | 5,546 |
| 179 | Celina | 10 | 7 | 0 | 5,510 |
| 180 | Moss | 10 | 7 | 0 | 4,368 |
| 181 | Carthage | 8 | 7 | 0 | 3,893 |
| 182 | Gainesboro | 8 | 7 | 0 | 3,751 |
| 183 | New Johnsonville | 7 | 7 | 0 | 2,551 |
| 184 | Harrogate | 8 | 7 | 0 | 1,600 |
| 185 | Gainsboro | 8 | 7 | 0 | 1,560 |
| 186 | Big Sandy | 10 | 7 | 0 | 1,170 |
| 187 | Hornbreak | 7 | 7 | 0 | 736 |
| 188 | Cumberland Gap | 8 | 7 | 0 | 340 |
| 189 | Friendsville | 9 | 7 | 0 | 0 |
| 190 | Collinwood | 8 | 7 | 0 | 0 |
| 191 | Atoka | 10 | 6 | 0 | 9,012 |
| 192 | Baxter | 7 | 6 | 0 | 7,463 |
| 193 | Maynardville | 9 | 6 | 0 | 7,149 |
| 194 | Sewannee | 8 | 6 | 0 | 6,033 |
| 195 | Estill Springs | 9 | 6 | 0 | 4,375 |
| 196 | Mason | 8 | 6 | 0 | 3,642 |
| 197 | Prospect | 9 | 6 | 0 | 3,589 |
| 198 | Bluff City | 7 | 6 | 0 | 2,763 |
| 199 | Turtletown | 7 | 6 | 0 | 2,722 |
| 200 | Copperhill | 7 | 6 | 0 | 1,039 |
| 201 | Gates | 7 | 6 | 0 | 767 |
| 202 | Erin | 7 | 6 | 0 | 555 |
| 203 | Ridgely | 9 | 6 | 0 | 0 |
| 204 | Germantown | 10 | 5 | 0 | 37,993 |
| 205 | Altamont | 6 | 5 | 0 | 9,013 |
| 206 | South Pittsburg | 6 | 5 | 0 | 7,304 |
| 207 | Mckenzie | 7 | 5 | 0 | 5,495 |
| 208 | Somerville | 5 | 5 | 0 | 5,020 |
| 209 | Hornbeak | 5 | 5 | 0 | 3,239 |
| 210 | Alamo | 6 | 5 | 0 | 3,050 |
| 211 | Whitwell | 6 | 5 | 0 | 1,106 |
| 212 | Brentwood | 7 | 4 | 0 | 31,168 |
| 213 | Savannah | 9 | 4 | 1 | 19,495 |
| 214 | Wartrace | 8 | 4 | 0 | 3,983 |
| 215 | Calhoun | 4 | 4 | 0 | 2,834 |
| 216 | Graysville | 4 | 4 | 0 | 1,888 |
| 217 | Des Peres | 9 | 4 | 1 | 993 |
| 218 | Waynesboro | 6 | 4 | 0 | 123 |
| 219 | Sharps Chapel | 5 | 4 | 0 | 120 |
| 220 | Mcewen | 7 | 4 | 0 | 0 |
| 221 | Brownsville | 6 | 3 | 0 | 12,900 |
| 222 | Hohenwald | 7 | 3 | 0 | 10,774 |
| 223 | Martin | 5 | 3 | 0 | 10,632 |
| 224 | Trenton | 3 | 3 | 1 | 5,295 |
| 225 | Henning | 3 | 3 | 0 | 3,200 |
| 226 | Bells | 7 | 3 | 0 | 2,547 |
| 227 | Norris | 3 | 3 | 0 | 2,126 |
| 228 | Roan Mountain | 6 | 3 | 0 | 1,026 |
| 229 | Hollow Rock | 3 | 3 | 0 | 908 |
| 230 | Tiptonville | 3 | 3 | 0 | 0 |
| 231 | Union City | 4 | 2 | 0 | 16,180 |
| 232 | Oakland | 3 | 2 | 0 | 14,957 |
| 233 | Milan | 3 | 2 | 0 | 10,716 |
| 234 | Humboldt | 3 | 2 | 0 | 9,908 |
| 235 | Tellico Plains | 6 | 2 | 0 | 7,759 |
| 236 | Bakewell | 2 | 2 | 0 | 6,021 |
| 237 | Tennessee Ridge | 3 | 2 | 0 | 4,038 |
| 238 | Hampton | 3 | 2 | 0 | 3,869 |
| 239 | Benton | 3 | 2 | 0 | 2,482 |
| 240 | Bell Buckle | 2 | 2 | 0 | 2,454 |
| 241 | Ardmore | 2 | 2 | 0 | 1,517 |
| 242 | Rossville | 4 | 2 | 0 | 1,297 |
| 243 | Lafollette | 4 | 2 | 0 | 1,288 |
| 244 | Michigan City | 5 | 2 | 0 | 1,019 |
| 245 | Mountain City | 2 | 2 | 0 | 897 |
| 246 | Crockett Mills | 2 | 2 | 0 | 767 |
| 247 | Mclemoresville | 4 | 2 | 0 | 376 |
| 248 | Cosby | 3 | 2 | 0 | 328 |
| 249 | Lagrange | 2 | 2 | 0 | 230 |
| 250 | Bumpus Mills | 3 | 2 | 0 | 134 |
| 251 | Whiteville | 4 | 2 | 0 | 0 |
| 252 | Greenfield | 5 | 2 | 0 | 0 |
| 253 | Trezvant | 2 | 2 | 1 | 0 |
| 254 | Newbern | 1 | 1 | 0 | 9,535 |
| 255 | Huntingdon | 1 | 1 | 0 | 6,167 |
| 256 | Bruceton | 1 | 1 | 0 | 1,674 |
| 257 | Obion | 1 | 1 | 0 | 1,615 |
| 258 | Clarksburg | 1 | 1 | 0 | 1,514 |
| 259 | Cedar Grove | 1 | 1 | 0 | 1,492 |
| 260 | Rutherford | 4 | 1 | 0 | 1,404 |
| 261 | Atwood | 5 | 1 | 0 | 1,311 |
| 262 | Bradford | 1 | 1 | 0 | 1,259 |
| 263 | Gallaway | 4 | 1 | 0 | 1,180 |
| 264 | Sardis | 1 | 1 | 0 | 1,064 |
| 265 | Puryear | 1 | 1 | 0 | 833 |
| 266 | Henry | 1 | 1 | 0 | 506 |
| 267 | Gibson | 1 | 1 | 0 | 471 |
| 268 | Clyde | 3 | 1 | 0 | 91 |
| 269 | Dover | 2 | 1 | 0 | 79 |
| 270 | Dresden | 2 | 1 | 0 | 0 |
| 271 | Adamsville | 0 | 0 | 0 | 9,750 |
| 272 | Henderson | 0 | 0 | 0 | 8,810 |
| 273 | Bolivar | 1 | 0 | 0 | 6,251 |
| 274 | Halls | 0 | 0 | 0 | 5,306 |
| 275 | South Fulton | 0 | 0 | 0 | 3,932 |
| 276 | Riceville | 1 | 0 | 0 | 3,727 |
| 277 | Dyer | 0 | 0 | 0 | 2,768 |
| 278 | Saltillo | 0 | 0 | 0 | 2,092 |
| 279 | Troy | 0 | 0 | 0 | 2,067 |
| 280 | Gleason | 0 | 0 | 0 | 1,753 |
| 281 | Kenton | 0 | 0 | 0 | 1,381 |
| 282 | Sharon | 0 | 0 | 0 | 1,368 |
| 283 | Friendship | 0 | 0 | 0 | 1,061 |
| 284 | Middleton | 0 | 0 | 0 | 932 |
| 285 | Bethel Springs | 0 | 0 | 0 | 916 |
| 286 | Saulsbury | 0 | 0 | 0 | 683 |
| 287 | Louisville | 0 | 0 | 0 | 111 |
| 288 | Scotts Hill | 3 | 0 | 0 | 0 |
Recommended Filtration for Tennessee
Based on the most common contaminants found across Tennessee (Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane), we recommend a reverse osmosis system or high-quality carbon block filter to remove disinfection byproducts and their precursors.
Echo RO System
Removes up to 99.9% of contaminants. The gold standard for drinking water in Tennessee homes.
View RO SystemsEcho Whole-Home Filter
Protect every tap in your home from chlorine, VOCs, and disinfection byproducts.
View Whole-Home FiltersEcho Hydrogen Water Flask
Once your water is clean, supercharge it with molecular hydrogen for antioxidant and anti-inflammatory benefits.
Shop Hydrogen FlaskFrequently Asked Questions
Is Tennessee tap water safe to drink?
Water quality varies significantly across Tennessee. Of the 288 cities analyzed, the average city has 7.1 contaminants above EWG health guidelines. The best water quality was found in Adamsville. We recommend checking your specific city's report for detailed information.
What city has the best water in Tennessee?
Based on our analysis, Adamsville has the fewest contaminants above EWG health guidelines in Tennessee, with 0 above guideline levels.
What city has the worst water in Tennessee?
Based on our analysis, Ft. Campbell has the most contaminants above EWG health guidelines in Tennessee, with 15 above guideline levels.
What's the best water filter for Tennessee residents?
For most Tennessee households, we recommend a reverse osmosis (RO) system for drinking water and a whole-home filter for showers and baths. The specific recommendation depends on your city's contaminant profile — check your city's report for personalized guidance.
National Water Quality Reports
Data sources: Environmental Working Group (EWG) Tap Water Database, U.S. EPA Safe Drinking Water Information System (SDWIS)
Last updated: March 2026
Methodology: Contaminant levels are compared against both EPA legal limits (Maximum Contaminant Levels) and EWG health guidelines, which are often stricter and based on the latest scientific research.