Isophorone
Status: No national drinking water standard exists
2015-2017:
FOUND
1
states detected
4
utilities detected
67,053
people served
States reporting isophorone in drinking water
UTILITIES WITH CONTAMINATION | |||
---|---|---|---|
State | Utilities | People Served | |
Rhode Island | 4 | 67,053 |
MORE
LESS
Filtering technologies that reduce isophorone

Activated Carbon

Reverse Osmosis
Utilities with the highest amounts of isophorone, 2015-2017
ALL UTILITIES
LARGE UTILITIES
Utility | Location | Tests | Average level | People served |
---|---|---|---|---|
Naval Station, Newport | Newport, RI | 4 of 55 | 0.00727 ppb | 7,871 |
City of Newport* | Newport, RI | 4 of 55 | 0.00727 ppb | 42,000 |
Portsmouth Water & Fire District | Portsmouth, RI | 4 of 55 | 0.00727 ppb | 16,864 |
United States Navy (fort Adams) | Newport, RI | 4 of 55 | 0.00727 ppb | 318 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Isophorone, but it likely has the contaminant in its water supply.
Utility | Location | Tests | Average level | People served |
---|---|---|---|---|
City of Newport* | Newport, RI | 4 of 55 | 0.00727 ppb | 42,000 |
Portsmouth Water & Fire District | Portsmouth, RI | 4 of 55 | 0.00727 ppb | 16,864 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Isophorone, but it likely has the contaminant in its water supply.