Results from entry points (water leaving treatment, not household taps) of public water systems sampled under EPA's Fifth Unregulated Contaminant Monitoring Rule. Click a county to see every water system serving it, or turn on service areas and click a location to see the systems that serve that spot.
277 of the 472 public water systems listed for Tennessee were sampled. Sorted by the highest single result relative to EPA's 2024 limits. Each name links to a page with all of that system's results. All 472 Tennessee systems, including those not tested · Download all Tennessee results (CSV, gzip)
| System | PWSID | City | Population | PFOA (ppt) | PFOS (ppt) | HI | Highest single result |
|---|---|---|---|---|---|---|---|
| Savannah Valley U.D. | TN0000613 | Georgetown | 30,571 | 35 | 18 | 0.494 | PFOA ≥ 3 × its limit |
| Fort Campbell Water System | TN0000820 | Ft. Campbell | 43,270 | 6.4 | 27.3 | 3.362 | PFOS ≥ 3 × its limit |
| Trenton Water System | TN0000707 | Trenton | 5,155 | <MRL | 27 | 0.93 | PFOS ≥ 3 × its limit |
| First U.D. Of Hardin County | TN0000546 | Counce | 7,602 | 17.3 | 25.9 | 0.363 | PFOS ≥ 3 × its limit |
| Camden Water Dept | TN0000090 | Camden | 10,013 | 13 | 24 | 0.352 | PFOS ≥ 3 × its limit |
| North U.Dep. Of Decatur/Benton Co | TN0000883 | Holladay | 3,818 | 11.2 | 20.3 | 0.003 | PFOS ≥ 3 × its limit |
| Jackson Water System | TN0000299 | Jackson | 91,111 | <MRL | 20 | 1.632 | PFOS ≥ 3 × its limit |
| Clifton Water Dept | TN0000119 | Clifton | 4,110 | 9.4 | 17 | 0.002 | PFOS ≥ 3 × its limit |
| Scotts Hill Water System | TN0000614 | Scotts Hill | 4,579 | 4.6 | 17 | 0.004 | PFOS ≥ 3 × its limit |
| Savannah Utility Department | TN0000611 | Savannah | 19,495 | <MRL | 15.8 | 0.002 | PFOS ≥ 3 × its limit |
| Parsons Water Department | TN0000541 | Parsons | 4,303 | 6.9 | 13 | 0.002 | PFOS ≥ 3 × its limit |
| Hillsville Utility District | TN0000430 | Manchester | 11,325 | 11.9 | 7.3 | 0.005 | PFOA 1–3 × its limit |
| Manchester Water Department | TN0000429 | Manchester | 24,975 | 11.6 | 6.6 | 0.005 | PFOA 1–3 × its limit |
| Wartrace Water System | TN0000730 | Wartrace | 3,576 | 11.6 | 6.1 | 0.005 | PFOA 1–3 × its limit |
| Marshall Co B.P.U. #1 | TN0000105 | Lewisburg | 13,257 | 11 | 5 | 0.017 | PFOA 1–3 × its limit |
| Tullahoma Utilities Authority | TN0000715 | Tullahoma | 30,958 | 9.6 | 4.8 | 0.005 | PFOA 1–3 × its limit |
| Lewisburg Water System | TN0000400 | Lewisburg | 24,569 | 8.8 | 5.3 | 0.005 | PFOA 1–3 × its limit |
| Bedford County U.D. | TN0000517 | Shelbyville | 23,641 | 8.2 | 4.8 | 0.004 | PFOA 1–3 × its limit |
| Nolensville-College Grove U.D. | TN0000511 | Nolensville | 34,159 | 8.1 | <MRL | 0.015 | PFOA 1–3 × its limit |
| Shelbyville Water System | TN0000628 | Shelbyville | 36,813 | 7.9 | 5.9 | 0.004 | PFOA 1–3 × its limit |
| Maury County Water System | TN0000770 | Columbia | 25,978 | 7.1 | 4.1 | 0.004 | PFOA 1–3 × its limit |
| Erwin Utilities Authority | TN0000231 | Erwin | 12,478 | 4.1 | 6.7 | 0.363 | PFOS 1–3 × its limit |
| Wilson Co Water & Wastewater | TN0000790 | Lebanon | 22,680 | 6.5 | <MRL | 0.008 | PFOA 1–3 × its limit |
| Fairview Utility District | TN0000563 | Pulaski | 7,036 | <MRL | 6.2 | 0.002 | PFOS 1–3 × its limit |
| Spring Hill Water Dept | TN0000667 | Spring Hill | 65,840 | 6.1 | <MRL | 0.005 | PFOA 1–3 × its limit |
| Murfreesboro Water Department | TN0000491 | Murfreesboro | 114,331 | 6 | <MRL | 0.007 | PFOA 1–3 × its limit |
| Ocoee Utility District | TN0000525 | Ocoee | 21,082 | 6 | 4.5 | 0.313 | PFOA 1–3 × its limit |
| Kingsport Water Dept | TN0000349 | Kingsport | 107,739 | <MRL | 5.9 | 0 | PFOS 1–3 × its limit |
| Smyrna Water System | TN0000639 | Smyrna | 66,942 | 5.8 | <MRL | 0.011 | PFOA 1–3 × its limit |
| La Vergne Water System | TN0000386 | Lavergne | 38,730 | 5.5 | <MRL | 0.008 | PFOA 1–3 × its limit |
| Minor Hill Water Utility District | TN0000469 | Minor Hill | 8,364 | <MRL | 5 | 0 | PFOS 1–3 × its limit |
| Lenoir City Utility Board | TN0000396 | Lenoir City | 34,786 | <MRL | 4.6 | 0.003 | PFOS 1–3 × its limit |
| Bloomingdale Utility District | TN0000056 | Kingsport | 13,318 | <MRL | 4.3 | 0 | PFOS 1–3 × its limit |
| Shady Grove Utility District | TN0000626 | Dandridge | 27,672 | <MRL | 4.2 | 0 | PFOS 1–3 × its limit |
| White Pine Water System | TN0000746 | White Pine | 4,171 | <MRL | 4.2 | 0.82 | PFOS 1–3 × its limit |
| Dandridge Water Mgmt Facility | TN0000170 | Dandridge | 9,931 | <MRL | 4.1 | 0.312 | PFOS 1–3 × its limit |
| Dewhite Utility District | TN0000190 | Sparta | 8,467 | <MRL | 4.1 | 0 | PFOS 1–3 × its limit |
| Hixson Utility District | TN0000303 | Hixson | 68,306 | <MRL | <MRL | 0.61 | Hazard Index below its limit |
| Cleveland Utilities | TN0000117 | Cleveland | 95,087 | <MRL | <MRL | 0.016 | Hazard Index below its limit |
| Athens Utilities Board | TN0000024 | Athens | 26,424 | <MRL | <MRL | 0.006 | Hazard Index below its limit |
| Signal Mountain Water System | TN0000634 | Signal Mountain | 7,761 | <MRL | <MRL | 0.005 | Hazard Index below its limit |
| Tennessee American Water | TN0000107 | Chattanooga | 207,046 | <MRL | <MRL | 0.005 | Hazard Index below its limit |
| Caryville-Jacksboro Utilities Commission | TN0000322 | Jacksboro | 11,079 | <MRL | <MRL | 0.003 | Hazard Index below its limit |
| Consolidated U.D. Of Rutherford Co | TN0000791 | Murfreesboro | 221,871 | <MRL | <MRL | 0.003 | Hazard Index below its limit |
| First U.D. Of Knox County | TN0000369 | Knoxville | 115,531 | <MRL | <MRL | 0.003 | Hazard Index below its limit |
| Riceville Utility District | TN0000576 | Riceville | 3,843 | <MRL | <MRL | 0.003 | Hazard Index below its limit |
| River Road Utility District | TN0000582 | Ashland City | 3,859 | <MRL | <MRL | 0.003 | Hazard Index below its limit |
| Walden'S Ridge U.D. | TN0000635 | Signal Mountain | 9,265 | <MRL | <MRL | 0.003 | Hazard Index below its limit |
| Watts Bar East U.D. | TN0000969 | Kingston | 4,280 | <MRL | <MRL | 0.003 | Hazard Index below its limit |
| Alpha-Talbott Utility District | TN0000014 | Talbott | 19,075 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Anderson County W.A. | TN0000514 | Clinton | 29,945 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Bean Station Utility District | TN0000041 | Bean Station | 10,748 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Jefferson City W&S Comm | TN0000328 | Jefferson City | 9,764 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Knoxville Utilities Board - Kub | TN0000366 | Knoxville | 254,671 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Maynardville Water Dept | TN0000442 | Maynardville | 7,940 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| New Market Utility District | TN0000499 | New Market | 5,703 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| North Stewart Utility District | TN0000195 | Dover | 6,096 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Smith Utility District | TN0000636 | Carthage | 8,466 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| South Pittsburg Water System | TN0000651 | South Pittsburg | 7,276 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Warren County Utility District | TN0000818 | Mcminnville | 29,055 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Y-12 Nnsa Production Office | TN0001068 | Oak Ridge | 6,000 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Brownsville Water Department | TN0000080 | Brownsville | 12,845 | <MRL | <MRL | 0 | Other PFAS detected |
| Byrdstown Water Department | TN0000088 | Byrdstown | 8,658 | <MRL | <MRL | 0 | Other PFAS detected |
| Chuckey Utility District | TN0000108 | Greeneville | 14,369 | <MRL | <MRL | 0 | Other PFAS detected |
| Columbia Power And Water Systems | TN0000128 | Columbia | 84,617 | <MRL | <MRL | 0 | Other PFAS detected |
| County Wide Utility District | TN0000006 | Alamo | 8,528 | <MRL | <MRL | 0 | Other PFAS detected |
| Cumberland Utility District | TN0000531 | Harriman | 14,085 | <MRL | <MRL | 0 | Other PFAS detected |
| Eastside Utility District | TN0000219 | Chattanooga | 59,612 | <MRL | <MRL | 0 | Other PFAS detected |
| Erin Water Department | TN0000230 | Erin | 8,168 | <MRL | <MRL | 0 | Other PFAS detected |
| First U.D. Of Hawkins County | TN0000109 | Church Hill | 19,972 | <MRL | <MRL | 0 | Other PFAS detected |
| Franklin Water Dept | TN0000246 | Franklin | 77,222 | <MRL | <MRL | 0 | Other PFAS detected |
| Kingston Water System | TN0000360 | Kingston | 11,392 | <MRL | <MRL | 0 | Other PFAS detected |
| Luttrell-Blaine-Corryton U.D. | TN0000415 | Luttrell | 10,529 | <MRL | <MRL | 0 | Other PFAS detected |
| Mcminnville Water Dept | TN0000423 | Mcminnville | 19,029 | <MRL | <MRL | 0 | Other PFAS detected |
| Morristown Utilities Commission | TN0000474 | Morristown | 39,883 | <MRL | <MRL | 0 | Other PFAS detected |
| Mountain City Water Dept | TN0000479 | Mountain City | 9,304 | <MRL | <MRL | 0 | Other PFAS detected |
| North Overton Utility District | TN0000013 | Allons | 4,729 | <MRL | <MRL | 0 | Other PFAS detected |
| Northwest Clay County Utility | TN0000573 | Moss | 4,437 | <MRL | <MRL | 0 | Other PFAS detected |
| Old Knoxville Hwy U.D. | TN0000530 | Mohawk | 8,296 | <MRL | <MRL | 0 | Other PFAS detected |
| Persia Utility District | TN0000594 | Rogersville | 4,966 | <MRL | <MRL | 0 | Other PFAS detected |
| Plateau Utility District | TN0000729 | Wartburg | 12,074 | <MRL | <MRL | 0 | Other PFAS detected |
| Quebeck Walling U.D. | TN0000569 | Sparta | 5,588 | <MRL | <MRL | 0 | Other PFAS detected |
| Roane Central Utility District | TN0000457 | Harriman | 5,317 | <MRL | <MRL | 0 | Other PFAS detected |
| Rockwood Water, Sewer & Gas | TN0000590 | Rockwood | 11,412 | <MRL | <MRL | 0 | Other PFAS detected |
| Sevier County Water Department | TN0008279 | Sevierville | 6,194 | <MRL | <MRL | 0 | Other PFAS detected |
| Springfield Water System | TN0000666 | Springfield | 46,546 | <MRL | <MRL | 0 | Other PFAS detected |
| Watts Bar Utility District | TN0000872 | Kingston | 16,253 | <MRL | <MRL | 0 | Other PFAS detected |
| Adamsville Water System | TN0000002 | Adamsville | 9,985 | <MRL | <MRL | 0 | No PFAS detected |
| Alcoa Water System | TN0000007 | Alcoa | 35,238 | <MRL | <MRL | 0 | No PFAS detected |
| Algood Water System | TN0000009 | Algood | 10,042 | <MRL | <MRL | 0 | No PFAS detected |
| Allardt Water Works | TN0000010 | Allardt | 4,231 | <MRL | <MRL | 0 | No PFAS detected |
| Arthur-Shawanee Utility District | TN0000022 | New Tazewell | 10,037 | <MRL | <MRL | 0 | No PFAS detected |
| Ashland City Water Department | TN0000023 | Ashland City | 9,159 | <MRL | <MRL | 0 | No PFAS detected |
| Atoka Water System | TN0000033 | Atoka | 9,197 | <MRL | <MRL | 0 | No PFAS detected |
| Bangham Utility District | TN0000038 | Cookeville | 7,906 | <MRL | <MRL | 0 | No PFAS detected |
| Bartlett Water System | TN0000765 | Bartlett | 57,129 | <MRL | <MRL | 0 | No PFAS detected |
| Baxter Water Department | TN0000040 | Baxter | 7,781 | <MRL | <MRL | 0 | No PFAS detected |
| Big Creek Utility District | TN0000122 | Altamont | 9,185 | <MRL | <MRL | 0 | No PFAS detected |
| Blountville Utility District | TN0000058 | Blountville | 15,647 | <MRL | <MRL | 0 | No PFAS detected |
| Bolivar Water System | TN0000063 | Bolivar | 6,251 | <MRL | <MRL | 0 | No PFAS detected |
| Bon Aqua-Lyles U.D. | TN0000066 | Lyles | 12,952 | <MRL | <MRL | 0 | No PFAS detected |
| Bon De Croft Utility District | TN0000653 | Sparta | 4,577 | <MRL | <MRL | 0 | No PFAS detected |
| Brentwood Water Department | TN0000069 | Brentwood | 30,645 | <MRL | <MRL | 0 | No PFAS detected |
| Brighton Water System | TN0000070 | Brighton | 3,715 | <MRL | <MRL | 0 | No PFAS detected |
| Bristol Dept Of Utilities | TN0000073 | Bristol | 37,648 | <MRL | <MRL | 0 | No PFAS detected |
| Bristol-Bluff City U.D. | TN0000079 | Bluff City | 6,268 | <MRL | <MRL | 0 | No PFAS detected |
| Carthage Water System | TN0000095 | Carthage | 3,950 | <MRL | <MRL | 0 | No PFAS detected |
| Castalian Springs-Bethpage U.D. | TN0000097 | Bethpage | 14,555 | <MRL | <MRL | 0 | No PFAS detected |
| Celina Water System | TN0000099 | Celina | 6,160 | <MRL | <MRL | 0 | No PFAS detected |
| Center Grove-Winchester Springs | TN0000101 | Estill Springs | 6,979 | <MRL | <MRL | 0 | No PFAS detected |
| Centerville Water System | TN0000103 | Centerville | 11,011 | <MRL | <MRL | 0 | No PFAS detected |
| City Of Maryville W&S Dept | TN0000438 | Maryville | 52,105 | <MRL | <MRL | 0 | No PFAS detected |
| Claiborne Utilities District | TN0000113 | New Tazewell | 16,135 | <MRL | <MRL | 0 | No PFAS detected |
| Clarksville Water Department | TN0000116 | Clarksville | 251,864 | <MRL | <MRL | 0 | No PFAS detected |
| Clinton Utilities Board | TN0000120 | Clinton | 18,772 | <MRL | <MRL | 0 | No PFAS detected |
| Collierville Water Dept | TN0000126 | Collierville | 51,972 | <MRL | <MRL | 0 | No PFAS detected |
| Cookeville Boat Dock Rd U.D. | TN0000134 | Cookeville | 9,345 | <MRL | <MRL | 0 | No PFAS detected |
| Cookeville Water Dept | TN0000133 | Cookeville | 49,711 | <MRL | <MRL | 0 | No PFAS detected |
| Copperhill Water Dept | TN0000136 | Copperhill | 1,217 | <MRL | <MRL | 0 | No PFAS detected |
| Cordell Hull Utility District | TN0000096 | Riddleton | 3,220 | <MRL | <MRL | 0 | No PFAS detected |
| Covington Water Dept | TN0000144 | Covington | 14,334 | <MRL | <MRL | 0 | No PFAS detected |
| Cross Anchor Utility District | TN0000149 | Greeneville | 8,449 | <MRL | <MRL | 0 | No PFAS detected |
| Crossville Water Dept | TN0000150 | Crossville | 32,985 | <MRL | <MRL | 0 | No PFAS detected |
| Cumberland Heights U.D. | TN0000166 | Clarksville | 3,623 | <MRL | <MRL | 0 | No PFAS detected |
| Cumberland Plateau W.A. #2 | TN0000159 | Crossville | 12,850 | <MRL | <MRL | 0 | No PFAS detected |
| Cumberland Plateau W.A.#3 | TN0000557 | Crossville | 5,659 | <MRL | <MRL | 0 | No PFAS detected |
| Cumberland Plateau Water Authority #1 | TN0000147 | Crossville | 23,252 | <MRL | <MRL | 0 | No PFAS detected |
| Cunningham Utility District | TN0000167 | Clarksville | 16,068 | <MRL | <MRL | 0 | No PFAS detected |
| Dayton Water Dept | TN0000174 | Dayton | 25,054 | <MRL | <MRL | 0 | No PFAS detected |
| Decatur Water Dept | TN0000183 | Decatur | 6,451 | <MRL | <MRL | 0 | No PFAS detected |
| Decherd Water Dept | TN0000187 | Decherd | 4,809 | <MRL | <MRL | 0 | No PFAS detected |
| Dekalb Utility District #1 | TN0000188 | Smithville | 17,960 | <MRL | <MRL | 0 | No PFAS detected |
| Double Springs U.D. | TN0000192 | Cookeville | 6,698 | <MRL | <MRL | 0 | No PFAS detected |
| Dover Water Dept | TN0000193 | Dover | 4,037 | <MRL | <MRL | 0 | No PFAS detected |
| Dresden Water Dept | TN0000196 | Dresden | 3,381 | <MRL | <MRL | 0 | No PFAS detected |
| Dunlap Water System | TN0000205 | Dunlap | 9,782 | <MRL | <MRL | 0 | No PFAS detected |
| Dyersburg Suburban C.U.D. | TN0000212 | Dyersburg | 3,538 | <MRL | <MRL | 0 | No PFAS detected |
| Dyersburg Water Dept | TN0000211 | Dyersburg | 19,970 | <MRL | <MRL | 0 | No PFAS detected |
| East Montgomery U.D. | TN0000218 | Clarksville | 18,382 | <MRL | <MRL | 0 | No PFAS detected |
| Elizabethton Water Dept | TN0000221 | Elizabethton | 32,490 | <MRL | <MRL | 0 | No PFAS detected |
| Englewood Water Dept | TN0000224 | Englewood | 3,917 | <MRL | <MRL | 0 | No PFAS detected |
| Estill Springs Water Dept | TN0000232 | Estill Springs | 4,317 | <MRL | <MRL | 0 | No PFAS detected |
| Etowah Utilities | TN0000233 | Etowah | 12,851 | <MRL | <MRL | 0 | No PFAS detected |
| Fall Creek Falls U.D. | TN0000552 | Pikeville | 5,434 | <MRL | <MRL | 0 | No PFAS detected |
| Fayetteville Public Utilities | TN0000242 | Fayetteville | 16,064 | <MRL | <MRL | 0 | No PFAS detected |
| Fentress County U.D. | TN0000244 | Jamestown | 16,845 | <MRL | <MRL | 0 | No PFAS detected |
| First U.D. Of Carter County | TN0000094 | Elizabethton | 9,143 | <MRL | <MRL | 0 | No PFAS detected |
| First U.D. Of Tipton County | TN0000703 | Covington | 9,340 | <MRL | <MRL | 0 | No PFAS detected |
| Friendsville Water Works | TN0000249 | Friendsville | 5,507 | <MRL | <MRL | 0 | No PFAS detected |
| Gallatin Water Department | TN0000253 | Gallatin | 65,964 | <MRL | <MRL | 0 | No PFAS detected |
| Gatlinburg Water Dept | TN0000256 | Gatlinburg | 8,877 | <MRL | <MRL | 0 | No PFAS detected |
| Germantown Water Dept | TN0000262 | Germantown | 37,738 | <MRL | <MRL | 0 | No PFAS detected |
| Gibson Co Muni Water Dist #4 | TN0000813 | Trenton | 3,386 | <MRL | <MRL | 0 | No PFAS detected |
| Gladeville Utility District | TN0000264 | Gladeville | 19,813 | <MRL | <MRL | 0 | No PFAS detected |
| Glen Hills Utility District | TN0000266 | Greeneville | 17,355 | <MRL | <MRL | 0 | No PFAS detected |
| Graysville Water Dept | TN0000269 | Graysville | 1,872 | <MRL | <MRL | 0 | No PFAS detected |
| Greenbrier Water & Sewer Dept | TN0000271 | Greenbrier | 9,162 | <MRL | <MRL | 0 | No PFAS detected |
| Greeneville Water Commission | TN0000273 | Greeneville | 26,657 | <MRL | <MRL | 0 | No PFAS detected |
| H.B.& T.S. Utility District | TN0000699 | Franklin | 40,094 | <MRL | <MRL | 0 | No PFAS detected |
| Halls Water System | TN0000279 | Halls | 5,287 | <MRL | <MRL | 0 | No PFAS detected |
| Hallsdale-Powell U.D. | TN0000280 | Knoxville | 84,315 | <MRL | <MRL | 0 | No PFAS detected |
| Hampton Utility District | TN0000282 | Hampton | 4,354 | <MRL | <MRL | 0 | No PFAS detected |
| Harpeth Valley U.D. | TN0000286 | Nashville | 65,518 | <MRL | <MRL | 0 | No PFAS detected |
| Harriman Utility Board | TN0000287 | Harriman | 16,653 | <MRL | <MRL | 0 | No PFAS detected |
| Hartsville-Trousdale W&S U.D. | TN0000291 | Hartsville | 10,562 | <MRL | <MRL | 0 | No PFAS detected |
| Henderson Water Dept | TN0000293 | Jackson | 8,924 | <MRL | <MRL | 0 | No PFAS detected |
| Hendersonville U.D. | TN0000294 | Hendersonville | 59,034 | <MRL | <MRL | 0 | No PFAS detected |
| Hohenwald Water System | TN0000304 | Hohenwald | 12,475 | <MRL | <MRL | 0 | No PFAS detected |
| Humboldt Utilities-Water Dept | TN0000314 | Humboldt | 9,908 | <MRL | <MRL | 0 | No PFAS detected |
| Huntingdon Water Dept | TN0000316 | Huntingdon | 6,167 | <MRL | <MRL | 0 | No PFAS detected |
| Huntsville Utility District | TN0000318 | Huntsville | 12,516 | <MRL | <MRL | 0 | No PFAS detected |
| Jamestown Water Dept | TN0000324 | Jamestown | 3,404 | <MRL | <MRL | 0 | No PFAS detected |
| Jasper Water Dept | TN0000325 | Jasper | 9,779 | <MRL | <MRL | 0 | No PFAS detected |
| Jellico Utilities Authority | TN0000330 | Jellico | 5,056 | <MRL | <MRL | 0 | No PFAS detected |
| Johnson City Water Dept | TN0000331 | Johnson City | 105,057 | <MRL | <MRL | 0 | No PFAS detected |
| Jonesborough Water Dept | TN0000338 | Jonesborough | 33,069 | <MRL | <MRL | 0 | No PFAS detected |
| Knox-Chapman Utility District | TN0000367 | Knoxville | 41,311 | <MRL | <MRL | 0 | No PFAS detected |
| Lafayette Water System | TN0000373 | Lafayette | 22,435 | <MRL | <MRL | 0 | No PFAS detected |
| Lafollette Utilities Board | TN0000374 | Lafollette | 27,984 | <MRL | <MRL | 0 | No PFAS detected |
| Laguardo Utility District | TN0000394 | Lebanon | 16,175 | <MRL | <MRL | 0 | No PFAS detected |
| Lakeview U.D. West | TN0000596 | Rogersville | 2,684 | <MRL | <MRL | 0 | No PFAS detected |
| Lauderdale Co Water System | TN0000581 | Ripley | 9,092 | <MRL | <MRL | 0 | No PFAS detected |
| Lawrenceburg Utility Systems | TN0000392 | Lawrenceburg | 21,244 | <MRL | <MRL | 0 | No PFAS detected |
| Lebanon Water System | TN0000393 | Lebanon | 60,669 | <MRL | <MRL | 0 | No PFAS detected |
| Leoma Utility District | TN0000399 | Leoma | 4,808 | <MRL | <MRL | 0 | No PFAS detected |
| Lexington Water Systems | TN0000402 | Lexington | 26,322 | <MRL | <MRL | 0 | No PFAS detected |
| Lincoln Co B.P.U. #1 | TN0000764 | Fayetteville | 23,846 | <MRL | <MRL | 0 | No PFAS detected |
| Linden Water Dept | TN0000404 | Linden | 9,568 | <MRL | <MRL | 0 | No PFAS detected |
| Livingston Water Department | TN0000405 | Livingston | 15,348 | <MRL | <MRL | 0 | No PFAS detected |
| Loretto Water Department | TN0000408 | Loretto | 5,054 | <MRL | <MRL | 0 | No PFAS detected |
| Loudon Utilities Board | TN0000409 | Loudon | 16,047 | <MRL | <MRL | 0 | No PFAS detected |
| Madison Suburban U.D. | TN0000424 | Madison | 84,437 | <MRL | <MRL | 0 | No PFAS detected |
| Madisonville Water Dept | TN0000425 | Madisonville | 15,087 | <MRL | <MRL | 0 | No PFAS detected |
| Mallory Valley U.D. | TN0000428 | Franklin | 31,703 | <MRL | <MRL | 0 | No PFAS detected |
| Martin Water Department | TN0000435 | Martin | 11,918 | <MRL | <MRL | 0 | No PFAS detected |
| Mason Water Department | TN0000440 | Mason | 3,642 | <MRL | <MRL | 0 | No PFAS detected |
| Mckenzie Water Dept | TN0000421 | Mckenzie | 5,464 | <MRL | <MRL | 0 | No PFAS detected |
| Memphis Light, Gas, & Water | TN0000450 | Memphis | 659,500 | <MRL | <MRL | 0 | No PFAS detected |
| Metro Lynchburg/Moore Co U.D. #1 | TN0000416 | Lynchburg | 7,895 | <MRL | <MRL | 0 | No PFAS detected |
| Metro Water Services | TN0000494 | Nashville | 789,969 | <MRL | <MRL | 0 | No PFAS detected |
| Milan Water Dept | TN0000458 | Milan | 10,932 | <MRL | <MRL | 0 | No PFAS detected |
| Milcrofton Utility District | TN0000247 | Franklin | 38,032 | <MRL | <MRL | 0 | No PFAS detected |
| Millington Water Dept | TN0000463 | Millington | 8,935 | <MRL | <MRL | 0 | No PFAS detected |
| Monteagle Public Utility Board | TN0000470 | Monteagle | 4,179 | <MRL | <MRL | 0 | No PFAS detected |
| Monterey Water Dept | TN0000471 | Monterey | 4,880 | <MRL | <MRL | 0 | No PFAS detected |
| Mount Pleasant Water Sys #1 | TN0000488 | Mount Pleasant | 8,914 | <MRL | <MRL | 0 | No PFAS detected |
| Munford Water Dept | TN0000490 | Munford | 10,434 | <MRL | <MRL | 0 | No PFAS detected |
| Newbern Water Dept | TN0000496 | Newbern | 8,098 | <MRL | <MRL | 0 | No PFAS detected |
| Newport Utilities Board | TN0000500 | Newport | 34,925 | <MRL | <MRL | 0 | No PFAS detected |
| Niota Water System | TN0000510 | Niota | 3,932 | <MRL | <MRL | 0 | No PFAS detected |
| North Greene Utilities, Incorporated | TN0000274 | Greenville | 7,035 | <MRL | <MRL | 0 | No PFAS detected |
| Northeast Henry County U.D. | TN0000540 | Springville | 5,640 | <MRL | <MRL | 0 | No PFAS detected |
| Northeast Knox U.D. | TN0000515 | Corryton | 27,941 | <MRL | <MRL | 0 | No PFAS detected |
| Northeast Lawrence U.D. | TN0000389 | Lawrenceburg | 4,017 | <MRL | <MRL | 0 | No PFAS detected |
| Northwest Dyersburg U.D. | TN0000518 | Dyersburg | 3,996 | <MRL | <MRL | 0 | No PFAS detected |
| Northwest Utility District | TN0000169 | Soddy Daisy | 20,710 | <MRL | <MRL | 0 | No PFAS detected |
| Nsa - Midsouth | TN0000468 | Millington | 7,000 | <MRL | <MRL | 0 | No PFAS detected |
| O'Connor Utility District | TN0000526 | Sparta | 10,344 | <MRL | <MRL | 0 | No PFAS detected |
| Oak Ridge Dept Of Public Works | TN0000522 | Oak Ridge | 41,614 | <MRL | <MRL | 0 | No PFAS detected |
| Oakland Water Dept | TN0000521 | Oakland | 15,443 | <MRL | <MRL | 0 | No PFAS detected |
| Old Gainesboro Road U.D. | TN0000135 | Cookeville | 6,608 | <MRL | <MRL | 0 | No PFAS detected |
| Oliver Springs Water Board | TN0000523 | Oak Ridge | 5,361 | <MRL | <MRL | 0 | No PFAS detected |
| Oneida Water And Sewer Commission | TN0000532 | Oneida | 11,600 | <MRL | <MRL | 0 | No PFAS detected |
| Ornl X-10 Water System | TN0001060 | Oak Ridge | 5,373 | <MRL | <MRL | 0 | No PFAS detected |
| Paris B.P.U. | TN0000536 | Paris | 13,145 | <MRL | <MRL | 0 | No PFAS detected |
| Pigeon Forge Water Department | TN0000548 | Sevierville | 14,872 | <MRL | <MRL | 0 | No PFAS detected |
| Pikeville Water System | TN0000551 | Pikeville | 5,486 | <MRL | <MRL | 0 | No PFAS detected |
| Pleasant View Utility District | TN0000558 | Pleasant View | 19,663 | <MRL | <MRL | 0 | No PFAS detected |
| Poplar Grove Utility District | TN0000201 | Munford | 19,599 | <MRL | <MRL | 0 | No PFAS detected |
| Portland Water System | TN0000559 | Portland | 25,761 | <MRL | <MRL | 0 | No PFAS detected |
| Pulaski Water System | TN0000562 | Pulaski | 10,767 | <MRL | <MRL | 0 | No PFAS detected |
| Red Boiling Springs W.S. | TN0000572 | Red Boiling Springs | 6,615 | <MRL | <MRL | 0 | No PFAS detected |
| Ridgely Water System | TN0000579 | Ridgely | 2,059 | <MRL | <MRL | 0 | No PFAS detected |
| Ripley Water System | TN0000580 | Ripley | 8,030 | <MRL | <MRL | 0 | No PFAS detected |
| Rogersville Water Dept | TN0000593 | Rogersville | 13,729 | <MRL | <MRL | 0 | No PFAS detected |
| Russellville Whitesburg U.D. | TN0000598 | Russellville | 20,197 | <MRL | <MRL | 0 | No PFAS detected |
| Second South Cheatham U.D. | TN0000645 | Kingston Springs | 9,243 | <MRL | <MRL | 0 | No PFAS detected |
| Selmer Water System | TN0000615 | Selmer | 20,648 | <MRL | <MRL | 0 | No PFAS detected |
| Sevierville Water System | TN0000617 | Sevierville | 39,885 | <MRL | <MRL | 0 | No PFAS detected |
| Sewanee Utility District | TN0000623 | Sewannee | 5,970 | <MRL | <MRL | 0 | No PFAS detected |
| Sharon Water System | TN0000627 | Dyer | 1,243 | <MRL | <MRL | 0 | No PFAS detected |
| Smithville Water System | TN0000637 | Smithville | 7,049 | <MRL | <MRL | 0 | No PFAS detected |
| Somerville Water System | TN0000641 | Somerville | 5,354 | <MRL | <MRL | 0 | No PFAS detected |
| South Blount Utility District | TN0000643 | Maryville | 53,864 | <MRL | <MRL | 0 | No PFAS detected |
| South Elizabethton U.D. | TN0000646 | Elizabethton | 6,244 | <MRL | <MRL | 0 | No PFAS detected |
| South Fork Utility District | TN0000644 | Bristol | 10,229 | <MRL | <MRL | 0 | No PFAS detected |
| South Fulton Water System | TN0000648 | South Fulton | 4,043 | <MRL | <MRL | 0 | No PFAS detected |
| South Side U.D. #1 | TN0000904 | Gordonsville | 4,431 | <MRL | <MRL | 0 | No PFAS detected |
| Sparta Water System | TN0000652 | Sparta | 10,899 | <MRL | <MRL | 0 | No PFAS detected |
| Summertown Utility District | TN0000676 | Summertown | 5,593 | <MRL | <MRL | 0 | No PFAS detected |
| Sweetwater Utility Board | TN0000687 | Sweetwater | 13,597 | <MRL | <MRL | 0 | No PFAS detected |
| Sylvia-Tn City-Pond U.D. | TN0000691 | Dickson | 7,203 | <MRL | <MRL | 0 | No PFAS detected |
| Tellico Area Services System | TN0000726 | Vonore | 14,836 | <MRL | <MRL | 0 | No PFAS detected |
| Tellico Plains Water Dept | TN0000693 | Tellico Plains | 7,759 | <MRL | <MRL | 0 | No PFAS detected |
| Tellico Village P.O.A. | TN0000871 | Loudon | 15,233 | <MRL | <MRL | 0 | No PFAS detected |
| Tennessee Ridge Water System | TN0000698 | Tennessee Ridge | 4,169 | <MRL | <MRL | 0 | No PFAS detected |
| Tn American Sequatchie Valley | TN0000749 | Chattanooga | 8,001 | <MRL | <MRL | 0 | No PFAS detected |
| Tracy City Water System | TN0000706 | Tracy City | 5,692 | <MRL | <MRL | 0 | No PFAS detected |
| Tuckaleechee Utility District | TN0000714 | Townsend | 14,522 | <MRL | <MRL | 0 | No PFAS detected |
| Unicoi Utility District | TN0000719 | Unicoi | 4,527 | <MRL | <MRL | 0 | No PFAS detected |
| Union City Water Dept | TN0000720 | Union City | 16,180 | <MRL | <MRL | 0 | No PFAS detected |
| Union Fork-Bakewell U.D. | TN0000037 | Bakewell | 6,464 | <MRL | <MRL | 0 | No PFAS detected |
| Warren County U.D. #2 | TN0000655 | Mcminnville | 5,611 | <MRL | <MRL | 0 | No PFAS detected |
| Water Auth Of Dickson County | TN0000191 | Dickson | 68,675 | <MRL | <MRL | 0 | No PFAS detected |
| Waverly Water Department | TN0000733 | Waverly | 9,270 | <MRL | <MRL | 0 | No PFAS detected |
| Waynesboro Water System | TN0000736 | Waynesboro | 5,534 | <MRL | <MRL | 0 | No PFAS detected |
| West Knox Utility District | TN0000371 | Knoxville | 77,825 | <MRL | <MRL | 0 | No PFAS detected |
| West Overton Utility District | TN0000578 | Rickman | 9,392 | <MRL | <MRL | 0 | No PFAS detected |
| West Robertson Water Authority | TN0000001 | Adams | 5,915 | <MRL | <MRL | 0 | No PFAS detected |
| West Warren-Viola U.D. | TN0000742 | Smartt | 19,510 | <MRL | <MRL | 0 | No PFAS detected |
| West Wilson Utility District | TN0000743 | Mount Juliet | 86,978 | <MRL | <MRL | 0 | No PFAS detected |
| Westmoreland Water System | TN0000738 | Westmoreland | 6,330 | <MRL | <MRL | 0 | No PFAS detected |
| White House Utility District | TN0000745 | White House | 130,411 | <MRL | <MRL | 0 | No PFAS detected |
| Winchester Water System | TN0000754 | Winchester | 25,683 | <MRL | <MRL | 0 | No PFAS detected |
| Witt Utility District | TN0000650 | Morristown | 5,771 | <MRL | <MRL | 0 | No PFAS detected |
| Woodbury Water System | TN0000756 | Woodbury | 11,840 | <MRL | <MRL | 0 | No PFAS detected |
| Woodlawn Utility District | TN0000758 | Woodlawn | 12,714 | <MRL | <MRL | 0 | No PFAS detected |
Highest single result for each system; PFOA and PFOS in ppt (ng/L). Entry-point samples, not tap water; screening comparisons, not compliance determinations.