bromochloromethane (Halon 1011) is a chemical contaminant that is a potential threat to human health.
| Galveston County WCID #1 | 5.17 µg/L (on 1/30/2014) | TX |
|---|---|---|
| City of Kingsville | 3.06 µg/L (on 8/20/2015) | TX |
| City of Denison | 3 µg/L (on 6/30/2014) | TX |
| Charles Town Utilities | 2.01 µg/L (on 11/20/2013) | WV |
| Wichita Valley WSC | 2 µg/L (on 10/20/2014) | TX |
| Cameron Parish Water & WW District #1 | 1.91 µg/L (on 2/11/2014) | LA |
| Morgantown Utility Board | 1.02 µg/L (on 11/22/2013) | WV |
| Sunrise Water Authority | 1 µg/L (on 4/28/2014) | OR |
| Galveston County WCID 8 | 1 µg/L (on 10/5/2015) | TX |
| Birch Bay Water & Sewer District | 1 µg/L (on 8/13/2013) | WA |
| Goforth SUD | 0.9970 µg/L (on 10/16/2013) | TX |
| Ruston Water System | 0.99 µg/L (on 5/1/2014) | LA |
| City of South Gate Water Department | 0.98 µg/L (on 12/12/2013) | CA |
| City of Post | 0.937 µg/L (on 12/21/2015) | TX |
| Cassatt Water Kershaw-Lee Co. RWA | 0.86 µg/L (on 11/3/2014) | SC |
| City of Pharr | 0.8260 µg/L (on 8/13/2013) | TX |
| City of Fresno | 0.79 µg/L (on 2/6/2014) | CA |
| Santa Margarita Water District | 0.78 µg/L (on 1/10/2014) | CA |
| Lakeside Water District | 0.75 µg/L (on 3/11/2015) | CA |
| City of Lemoore | 0.71 µg/L (on 4/9/2014) | CA |
| Montgomery County RWD #14 | 0.7 µg/L (on 1/14/2013) | KS |
| City of New Braunfels Utilities | 0.6270 µg/L (on 7/1/2014) | TX |
| Lake Cities Municipal Utility Authority | 0.5910 µg/L (on 12/17/2014) | TX |
| City of West Palm Beach | 0.56 µg/L (on 8/11/2015) | FL |
| City of Port Lavaca | 0.5390 µg/L (on 8/22/2013) | TX |
| City of Seabrook | 0.5360 µg/L (on 7/28/2014) | TX |
| Lee County Utilities | 0.53 µg/L (on 6/5/2013) | FL |
| Goleta Water District | 0.52 µg/L (on 4/28/2014) | CA |
| Bell Arthur Water Corp. | 0.52 µg/L (on 7/9/2014) | NC |
| City of Grand Prairie | 0.52 µg/L (on 7/16/2013) | TX |
| City of Cedar Hill | 0.50 µg/L (on 1/28/2013) | TX |
| Chatham | 0.4950 µg/L (on 8/25/2014) | IL |
| City of Palm Bay | 0.48 µg/L (on 7/14/2014) | FL |
| City of Gulfport | 0.4680 µg/L (on 7/16/2013) | MS |
| Seminole County - Southeast | 0.46 µg/L (on 8/25/2014) | FL |
| Mansfield Water Department | 0.46 µg/L (on 5/11/2015) | MA |
| L.A. County WW Dist. 29 & 80 - Malibu | 0.45 µg/L (on 11/19/2013) | CA |
| City of Crowley | 0.4440 µg/L (on 10/22/2014) | TX |
| City of Corinth | 0.4320 µg/L (on 11/19/2013) | MS |
| City of Angleton | 0.4260 µg/L (on 8/27/2013) | TX |
| City of Corinth | 0.4240 µg/L (on 5/5/2015) | TX |
| Carlsbad MWD | 0.42 µg/L (on 7/31/2014) | CA |
| Lihue-Kapaa | 0.42 µg/L (on 1/12/2015) | HI |
| Naval Base Ventura County - Port Hueneme | 0.41 µg/L (on 1/29/2015) | CA |
| W. Allegheny County Municipal Authority | 0.41 µg/L (on 12/10/2014) | PA |
| Polk County Utilities - Southwest | 0.4060 µg/L (on 3/8/2014) | FL |
| City of Lynwood Water Department | 0.39 µg/L (on 6/25/2014) | CA |
| City of Ankeny | 0.39 µg/L (on 8/4/2014) | IA |
| City of Highland Village | 0.3850 µg/L (on 5/20/2014) | TX |
| City of Peoria | 0.38 µg/L (on 1/5/2015) | AZ |