HAA9 (nine haloacetic acids) are a class of Disinfection Byproducts that includes Bromochloroacetic Acid, Bromodichloroacetic Acid, Chlorodibromoacetic Acid, Dibromoacetic Acid, Dichloroacetic Acid, Monobromoacetic Acid, Monochloroacetic Acid, Tribromoacetic Acid, Trichloroacetic Acid and has a minimum reporting level of 0 µg/L and is a potential threat to human health.
| City of San Angelo | 654.24 µg/L (on 6/18/2019) | TX |
|---|---|---|
| Caseyville | 480.627 µg/L (on 9/26/2018) | IL |
| West Wise SUD | 452.8 µg/L (on 9/16/2019) | TX |
| City of Alice | 452.7 µg/L (on 4/26/2018) | TX |
| Military Highway WSC Las Rusias | 394.155 µg/L (on 5/16/2018) | TX |
| EJ Water Co-Op | 358.776 µg/L (on 12/11/2019) | IL |
| Durant | 342.335 µg/L (on 11/5/2018) | OK |
| City of Holly Hill | 316.86 µg/L (on 6/6/2019) | FL |
| Town of Mount Pleasant (WSACC) | 287.2 µg/L (on 9/4/2019) | NC |
| Pueblo Golden Rock | 269.04 µg/L (on 2/17/2021) | VI |
| Port Deposit | 259.4 µg/L (on 9/4/2019) | MD |
| Lexington Water | 256.8 µg/L (on 5/22/2018) | TN |
| Fern Crest Utilities, Inc. | 249.21 µg/L (on 2/7/2018) | FL |
| Wellborn SUD | 234.94 µg/L (on 7/26/2018) | TX |
| Nueces County WCID #3 | 226.9 µg/L (on 5/27/2020) | TX |
| Clear Lake City Water Authority | 218.7 µg/L (on 11/11/2019) | TX |
| Ephrata Area Joint Authority | 212.655 µg/L (on 7/10/2019) | PA |
| Logansport Water | 204.36 µg/L (on 3/7/2018) | LA |
| City of Riviera Beach Utility District | 191.1 µg/L (on 8/22/2019) | FL |
| East Rio Hondo WSC | 189.6 µg/L (on 8/6/2020) | TX |
| City of Greensboro | 189.43 µg/L (on 6/16/2020) | NC |
| Sabana Hoyos | 187.84 µg/L (on 10/23/2019) | PR |
| Metropolitano | 184.58 µg/L (on 5/28/2020) | PR |
| Lakeshore Swartz Water | 180.061 µg/L (on 1/8/2020) | LA |
| City of Rogers | 177.3 µg/L (on 3/2/2020) | TX |
| City of Marco Island Utilities | 174.9 µg/L (on 9/12/2019) | FL |
| German Township Water District, Inc. | 168.77 µg/L (on 9/14/2020) | IN |
| Muskogee Co. RWD #3 | 165.7 µg/L (on 4/15/2020) | OK |
| City of Lindsay | 162.38 µg/L (on 5/22/2018) | CA |
| Ardmore | 162.181 µg/L (on 5/5/2020) | OK |
| Penuelas | 161.95 µg/L (on 7/1/2020) | PR |
| City of Parsons | 160.421 µg/L (on 7/7/2020) | KS |
| Nutley Water Dept. | 158.9 µg/L (on 6/5/2019) | NJ |
| Commonfields of Cahokia PWD | 158.808 µg/L (on 8/31/2020) | IL |
| City of Brenham | 158.38 µg/L (on 5/20/2019) | TX |
| Jayuya Urbano | 156.81 µg/L (on 7/24/2020) | PR |
| City of Midlothian | 153.918 µg/L (on 12/10/2018) | TX |
| Newark Water Department | 152.9 µg/L (on 6/6/2019) | NJ |
| Aguadilla | 152.85 µg/L (on 10/22/2019) | PR |
| City of Titusville | 150.2 µg/L (on 3/14/2019) | FL |
| City of Kerrville | 148.58 µg/L (on 8/21/2018) | TX |
| City of Wellington | 147.6 µg/L (on 5/8/2018) | KS |
| Falls Twp. Water & Sewer Dept. | 146.98 µg/L (on 6/18/2020) | PA |
| Aqua PA - Roaring Creek | 143.43 µg/L (on 8/13/2018) | PA |
| Bolivar Peninsula SUD | 142.91 µg/L (on 1/30/2020) | TX |
| Lago Guajataca | 140.74 µg/L (on 9/10/2019) | PR |
| City of Waxahachie | 139.96 µg/L (on 10/11/2018) | TX |
| Spalding County Water | 139.65 µg/L (on 5/16/2018) | GA |
| City of Baltimore | 137.996 µg/L (on 10/11/2018) | MD |
| South Ogden City Water | 137.17 µg/L (on 6/5/2018) | UT |