TapScore USA

Trichloroethylene (TCE) in Drinking Water

Reference information plus historical EPA compliance records associated with trichloroethylene (tce).

EPA Limit (MCL)

5 ppb

EPA Goal (MCLG)

0 ppb

Category

Organic

Regulatory values are a concise reference, not legal or medical advice. Confirm the current standard and rule-specific details on EPA.gov.

Health Effects

Liver problems, increased cancer risk

Common Sources

Discharge from metal degreasing sites, factories

Treatment Considerations for Trichloroethylene (TCE)

Commonly cited treatment approaches include: Granular activated carbon, air stripping. Choose treatment only after a certified water test identifies the substance and concentration; verify NSF/ANSI certification and consult a qualified local professional when needed.

12,503

Historical Violation Records

5,427

Systems With Records

Historical Trichloroethylene (TCE) Records by State

StateRecordsSystems
Pennsylvania3,1731,081
Washington1,936711
Alaska1,293285
Oregon641362
Connecticut415226
Arizona410190
Montana347190
Oklahoma342151
North Carolina321167
Ohio314210
West Virginia30996
Colorado291167
Texas27687
Utah245132
Illinois213105
Puerto Rico21385
Vermont188111
Virginia178101
New Hampshire154109
Kentucky11386

Systems With the Most Trichloroethylene (TCE) Violation Records

LAKE FOREST PARK WATER DISTRICT

3,171 served95 historical records
A

SEVEN ESTATES

189 served58 historical records
F

COAL MOUNTAIN WATER

80 served53 historical records
F

MARBLE WATER SYSTEM

94 served48 historical records
D

PINNACLE WATER ASSOCIATION

85 served45 historical records
F

NOTTINGHAM MANOR M H COURT

473 served42 historical records
C

FOREST PARK TC

175 served40 historical records
D

SUNRISE LAKES SEC 12

125 served31 historical records
C

KELLEY CREST

45 served31 historical records
B

WARMINSTER MUNICIPAL AUTHORITY

36,000 served31 historical records
C

Frequently Asked Questions

What is Trichloroethylene (TCE) and why can it appear in drinking-water records?

Trichloroethylene (TCE) can be associated with drinking water through: Discharge from metal degreasing sites, factories.

What reference value does this page show?

The summarized EPA Maximum Contaminant Level is 5 ppb. Some substances use action levels or rule-specific thresholds instead, so verify the current EPA standard.

Does a historical violation record mean it is in my tap today?

No. A compliance record may be historical or resolved. Use the latest Consumer Confidence Report or a certified test for current local conditions.