1-butanol is a class of Alcohol that has a minimum reporting level of 2 µg/L and a reference level of 700 µg/L.
| Acton MUD | 113.5 µg/L (on 3/17/2020) | TX |
|---|---|---|
| City of American Fork | 101.5552 µg/L (on 4/30/2018) | UT |
| Quebradillas Urbano | 100 µg/L (on 10/17/2019) | PR |
| Coshocton | 34.2 µg/L (on 6/10/2020) | OH |
| City of Jasper | 32.8 µg/L (on 7/31/2019) | TX |
| Wheeling Water | 24.591 µg/L (on 7/15/2020) | WV |
| Fridley | 23.8 µg/L (on 7/22/2020) | MN |
| Soquel Creek Water District | 21.3 µg/L (on 4/18/2018) | CA |
| Pueblo Golden Rock | 21 µg/L (on 2/17/2021) | VI |
| Salt Lake City Water | 19 µg/L (on 9/15/2020) | UT |
| City of West Fargo | 18.27 µg/L (on 6/13/2018) | ND |
| City of Pilot Point | 18 µg/L (on 3/26/2019) | TX |
| Hardin County Water District #2 | 16.8 µg/L (on 12/17/2019) | KY |
| Iowa City Water Department | 15 µg/L (on 11/6/2018) | IA |
| MAWC - Yough Plant | 14 µg/L (on 5/15/2018) | PA |
| Guntersville Waterworks & Sewer Board | 13.9 µg/L (on 3/25/2019) | AL |
| City of Freeport | 13.8256 µg/L (on 10/5/2020) | FL |
| TOHO Water Authority - Buenaventura Lakes | 13.8 µg/L (on 6/19/2020) | FL |
| Garfield Charter Township | 13.7 µg/L (on 6/2/2020) | MI |
| City of North Ridgeville | 13 µg/L (on 3/13/2019) | OH |
| Lakehaven Utility District | 13 µg/L (on 2/27/2019) | WA |
| Colorado Springs Utilities | 12.7 µg/L (on 1/10/2018) | CO |
| Honolulu-Windward-Pearl Harbor | 12.3 µg/L (on 3/2/2018) | HI |
| City of Bellmead | 12.3 µg/L (on 7/31/2019) | TX |
| City of Marco Island Utilities | 11.5 µg/L (on 12/9/2019) | FL |
| Greater Pine Island Water Association | 11.4 µg/L (on 9/8/2020) | FL |
| Caryville-Jacksboro Utilities Commission | 11 µg/L (on 8/1/2018) | TN |
| Elyria Water Department | 10.5 µg/L (on 10/10/2019) | OH |
| City of Plaquemine Water | 10.3 µg/L (on 9/17/2019) | LA |
| Northern Ohio Rural Water | 10 µg/L (on 4/2/2019) | OH |
| Arlington Water Dept. | 9.95 µg/L (on 10/22/2018) | MA |
| Western Pulaski Co. Water District | 9.79 µg/L (on 12/16/2019) | KY |
| West Deptford Twp. Water Dept. | 9.5816 µg/L (on 9/24/2018) | NJ |
| City of California City | 9.4 µg/L (on 12/17/2019) | CA |
| San Gabriel Valley Water Co. - Fontana | 8.9 µg/L (on 6/11/2020) | CA |
| City of Beloit | 8.8 µg/L (on 12/18/2019) | WI |
| Sherburn | 8.784 µg/L (on 6/5/2018) | MN |
| City of Brighton | 8.69 µg/L (on 4/10/2018) | CO |
| Caddo Basin SUD | 8.6 µg/L (on 5/7/2019) | TX |
| Bayleaf Master | 8.46 µg/L (on 1/8/2020) | NC |
| Southern Water & Sewer District | 8.38 µg/L (on 8/20/2019) | KY |
| Clarksville Water Department | 8.22 µg/L (on 8/19/2019) | TN |
| Swampscott Water Dept. | 8.16 µg/L (on 1/23/2020) | MA |
| Madison Water Utility | 8.04 µg/L (on 9/25/2018) | WI |
| City of Porterville | 7.9 µg/L (on 8/17/2018) | CA |
| Bullock Pen Water District | 7.88 µg/L (on 8/19/2019) | KY |
| Springs Hill WSC | 7.7 µg/L (on 8/19/2019) | TX |
| Orange County WCID #1 | 7.7 µg/L (on 1/23/2018) | TX |
| Alamogordo Domestic Water | 7.6 µg/L (on 7/24/2019) | NM |
| Oconee Co. - Watkinsville | 7.3 µg/L (on 2/26/2019) | GA |