The Power of Information

National Drinking Water Database


Trichloroacetic acid in North Carolina


Trichloroacetic acid is a disinfection byproduct regulated by EPA as one of five haloacetic acids that are formed when chlorine, chloramines or other disinfectants react with organic and inorganic matter in water.

The Most Polluted Communities in North Carolina

837 water utilities reported detecting Trichloroacetic acid in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Trichloroacetic acid level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Stanfield #3-Polk Ford/Renee Ford
Stanfield, NC
3182 of 235.5 ppb
(30 to 41 ppb)
2Halifax Co--Dennis St
Enfield, NC
5153 of 335.27 ppb
(30.9 to 39.5 ppb)
3Magnolia Spring-Southfork S/D
Mcadenville, NC
3351 of 235 ppb
(0 to 70 ppb)
4Town of Wadesboro
Wadesboro, NC
5,65516 of 1634.31 ppb
(9.6 to 81.03 ppb)
5Hoopers Valley Estates
Arden, NC
2203 of 334.3 ppb
(13 to 67 ppb)
6Stanfield #1-Biglick Rd
Stanfield, NC
252 of 234 ppb
(31 to 37 ppb)
7South Granville Wtr&sewer Authority
Butner, NC
10,46712 of 1233.99 ppb
(12.5 to 137.5 ppb)
8Snug Harbor ON Nelson Bay
Sea Level, NC
1084 of 433.83 ppb
(1.8 to 73.7 ppb)
9City of Randleman
Randleman, NC
5,98713 of 1333.12 ppb
(5.5 to 85 ppb)
10City of Siler City
Siler City, NC
8,54014 of 1432.84 ppb
(12.5 to 60.7 ppb)

Health Based Limits for Trichloroacetic acid

StandardDescriptionLevel
Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.20 ppb
Lifetime health-based limit, non-cancer riskConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for a lifetime of exposure. The Lifetime health-based limit (or Health Advisory, HA) is based on exposure for a a 70-kg adult consuming 2 liters of water per day. Source: U.S. Environmental Protection Agency.20 ppb
Maximum Contaminant Limit (MCL)The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.60 ppb
Drinking Water Equivalent LevelA lifetime exposure concentration protective of adverse, noncarcinogenic health effects, that assumes all of the exposure to a contaminant is from drinking water. Source: U.S. Environmental Protection Agency.1000 ppb
Children's health-based limit for 1-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for up to one day of exposure. The One-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.3000 ppb
Children's health-based limit for 10-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic effects for up to ten days of exposure. The Ten-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.3000 ppb

Violation Summary for Trichloroacetic acid in North Carolina

There are no violations reported for this contaminant in North Carolina