Tap WaterIndex

← All contaminants

Contaminant guide

cis-1,2-Dichloroethylene in drinking water

The EPA limit for cis-1,2-Dichloroethylene in drinking water is 70 µg/L. Of the 34,526 water suppliers tested, 286 had it detected.

70 µg/L
EPA limit (MCL)
0.8%
of suppliers detected it
(286/34,526)

What the EPA limit means

⚖️

70 µg/L

Maximum Contaminant Level — the enforceable ceiling a supplier must stay under.

🎯

70 µg/L

Health goal (MCLG) — the level with no known health effect. It is a goal, not a legal limit, and is often zero for carcinogens.

🧪

SYR4

Where these measurements come from. Hover the tag for the EPA programme and years.

Where cis-1,2-Dichloroethylene was found

The water suppliers reporting the highest levels, worst first. For lead and copper that is the 90th-percentile result the action level is written against; for Six-Year Review data, the 95th percentile of each system's samples.

SupplierCityStateLevel vs EPA limit
Bethpage Wd — —
53.1 µg/L 76%
of the EPA limit 70 µg/L
Crystal Lake Crystal Lake IL
44.8 µg/L 64%
of the EPA limit 70 µg/L
Paw Homesite — PA
38.98 µg/L 56%
of the EPA limit 70 µg/L
Andrews Water Department Andrews IN
36.305 µg/L 52%
of the EPA limit 70 µg/L
Swan Lake Resort Galloway twp-0111 AZ
32.63 µg/L 47%
of the EPA limit 70 µg/L
Nokomis Nokomis IL
30.5 µg/L 44%
of the EPA limit 70 µg/L
Hillcrest Water District Southeast NY
28.555 µg/L 41%
of the EPA limit 70 µg/L
Palmer Water District no.1 Palmer MA
26.06 µg/L 37%
of the EPA limit 70 µg/L
City of Alhambra Alhambra CA
26 µg/L 37%
of the EPA limit 70 µg/L
Purcellville, Town of Purcellville VA
25.4 µg/L 36%
of the EPA limit 70 µg/L
Wa of Western Nassau North Hempstead NY
23.41 µg/L 33%
of the EPA limit 70 µg/L
Hicksville Wd Oyster Bay NY
21 µg/L 30%
of the EPA limit 70 µg/L
Huber Heights Public Water System Huber Heights OH
20.52 µg/L 29%
of the EPA limit 70 µg/L
Grafton Water District Grafton MA
19.28 µg/L 28%
of the EPA limit 70 µg/L
Stuart, City of - Water Plant Stuart FL
18.97 µg/L 27%
of the EPA limit 70 µg/L
Saint Louis Park St. Louis Park MN
18.35 µg/L 26%
of the EPA limit 70 µg/L
Glendale-City, Water Dept. Glendale CA
16 µg/L 23%
of the EPA limit 70 µg/L
Perkasie Regional Authority Sellersville PA
15.9 µg/L 23%
of the EPA limit 70 µg/L
Warminster Municipal Authority — PA
15.2 µg/L 22%
of the EPA limit 70 µg/L
Town of Hempstead Water Department Hempstead NY
14.07 µg/L 20%
of the EPA limit 70 µg/L
Plainview Wd — —
12.55 µg/L 18%
of the EPA limit 70 µg/L
Manhasset Lakeville Wd North Hempstead NY
12.46 µg/L 18%
of the EPA limit 70 µg/L
Country Acres/Southgate Gastonia NC
12.4 µg/L 18%
of the EPA limit 70 µg/L
Burlington Water Dept Burlington MA
12 µg/L 17%
of the EPA limit 70 µg/L
Garfield Water Department Garfield city-0221 NJ
11.4 µg/L 16%
of the EPA limit 70 µg/L

Frequently asked questions about cis-1,2-Dichloroethylene

What is cis-1,2-Dichloroethylene in drinking water?

cis-1,2-Dichloroethylene is monitored in US public drinking water under EPA rules. Each supplier's result is reported to the EPA and published here with its source and period.

What is the EPA limit for cis-1,2-Dichloroethylene?

The EPA's Maximum Contaminant Level for cis-1,2-Dichloroethylene is 70 µg/L, and its health goal (MCLG) is 70 µg/L. A result above the limit means the supplier must act; the goal is the level at which no health effects are expected.

How common is cis-1,2-Dichloroethylene in US tap water?

Of the 34,526 water suppliers with results on file, 286 detected cis-1,2-Dichloroethylene — 0.8% of those tested.