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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

California Water Service (CWS) - Visalia

Trichlorofluoromethane (Freon 11) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.

 

225

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND570ND
2015ND590ND
2016ND290ND
2017ND380ND
2018ND90ND
2019ND330ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1,300 ppb

The EWG Health Guideline of 1,300 ppb for trichlorofluoromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-065701-130-1300ND
2014-02-105701-130-1215ND
2014-02-195701-171-1421ND
2014-03-035701-130-1210ND
2014-03-115701-171-1410ND
2014-03-265701-088-1404ND
2014-04-065701-088-1524ND
2014-04-065701-130-1405ND
2014-04-075701-125-1110ND
2014-04-095701-171-1045ND
2014-04-215701-125-1100ND
2014-04-225701-125-1002ND
2014-05-055701-130-1225ND
2014-05-065701-088-1325ND
2014-05-075701-125-1330ND
2014-05-105701-171-1350ND
2014-06-035701-130-1235ND
2014-06-085701-171-1035ND
2014-06-095701-125-1223ND
2014-06-255810-125-0825ND
2014-06-285701-088-1310ND
2014-06-285701-125-1010ND
2014-07-035701-125-1035ND
2014-07-065701-171-1405ND
2014-07-075701-088-1440ND
2014-07-075701-125-1220ND
2014-07-155701-125-0855ND
2014-07-225701-065-1106ND
2014-07-225701-066-1320ND
2014-07-235701-125-1022ND
2014-08-065701-125-1215ND
2014-08-095810-125-1020ND
2014-08-105810-088-1235ND
2014-08-135810-171-1140ND
2014-08-195701-125-1115ND
2014-08-255701-125-1210ND
2014-09-025701-125-1005ND
2014-09-085701-125-1120ND
2014-09-095701-171-1449ND
2014-09-135701-088-1513ND
2014-09-165701-125-1030ND
2014-09-235701-125-1150ND
2014-09-295701-125-1000ND
2014-10-055701-130-1455ND
2014-10-065701-088-1235ND
2014-10-135701-125-1253ND
2014-10-145701-171-1449ND
2014-10-215701-125-1105ND
2014-10-265701-125-1005ND
2014-11-035701-088-1319ND
2014-11-035701-125-1423ND
2014-11-035701-130-1528ND
2014-11-055701-171-1415ND
2014-11-115701-125-1210ND
2014-12-085701-088-1425ND
2014-12-085701-130-1345ND
2014-12-095701-171-1408ND
2015-01-105701-088-1016ND
2015-01-105701-130-1406ND
2015-01-145701-171-1348ND
2015-02-035701-088-1345ND
2015-02-035701-130-1305ND
2015-02-195701-171-0905ND
2015-03-025701-130-1040ND
2015-03-055701-088-1000ND
2015-03-095701-088-1345ND
2015-03-125701-171-1442ND
2015-03-165701-088-1230ND
2015-04-015701-088-1310ND
2015-04-065701-130-1215ND
2015-04-085701-088-1450ND
2015-04-135701-088-1325ND
2015-04-155701-171-1239ND
2015-04-195701-088-1202ND
2015-04-285701-088-1315ND
2015-05-029590-088-1330ND
2015-05-119590-088-1335ND
2015-05-129590-130-1230ND
2015-05-149590-171-1320ND
2015-05-185701-088-1245ND
2015-05-205701-125-1621ND
2015-05-209590-125-1621ND
2015-05-265701-125-1030ND
2015-06-015701-130-1142ND
2015-06-025701-125-0947ND
2015-06-085701-088-1350ND
2015-06-145701-171-1240ND
2015-06-155701-125-1000ND
2015-06-245701-125-1035ND
2015-06-305701-125-1020ND
2015-07-015701-088-1335ND
2015-07-045701-130-1200ND
2015-07-065701-125-1222ND
2015-07-125701-125-1010ND
2015-07-125701-171-1135ND
2015-07-195701-125-1138ND
2015-07-275701-125-1225ND
2015-08-025701-125-1220ND
2015-08-045701-130-1110ND
2015-08-095701-088-1345ND
2015-08-105701-125-1210ND
2015-08-205701-125-1015ND
2015-08-205701-171-1440ND
2015-08-245701-125-1100ND
2015-09-015701-088-0905ND
2015-09-015701-125-1104ND
2015-09-015701-130-1240ND
2015-09-115701-125-1012ND
2015-09-135701-171-1335ND
2015-09-175701-125-1459ND
2015-09-225701-125-1020ND
2015-09-295701-125-1100ND
2015-10-065701-130-1305ND
2015-10-125701-171-1325ND
2015-11-125701-171-1230ND
2015-12-145701-171-1144ND
2016-03-225701-036-1335ND
2016-04-145701-067-1446ND
2016-05-235701-012-1250ND
2016-06-125701-088-1413ND
2016-06-165701-125-1112ND
2016-06-205701-099-1400ND
2016-06-275701-125-1110ND
2016-07-075701-125-1122ND
2016-07-115701-088-1455ND
2016-07-115701-125-1245ND
2016-07-195701-125-1139ND
2016-07-255701-125-1215ND
2016-08-025701-088-1430ND
2016-08-025701-125-1337ND
2016-08-085701-125-1305ND
2016-08-159590-125-1128ND
2016-08-219590-125-1040ND
2016-08-295701-125-1025ND
2016-09-055701-088-1430ND
2016-09-055701-125-1035ND
2016-10-045701-088-1005ND
2016-10-045701-125-1128ND
2016-11-065701-088-1203ND
2016-11-065701-125-1433ND
2016-11-065701-178-1135ND
2016-11-175701-130-0850ND
2016-12-055701-130-1225ND
2016-12-065701-125-1105ND
2016-12-085810-088-0920ND
2017-01-305701-088-1430ND
2017-01-305701-130-1340ND
2017-01-315701-125-1045ND
2017-02-135701-088-1425ND
2017-02-135701-125-1047ND
2017-02-135701-130-1302ND
2017-03-045701-088-1441ND
2017-03-045701-130-1401ND
2017-03-095810-125-1235ND
2017-04-065701-088-1340ND
2017-04-065701-125-1235ND
2017-04-065701-130-1105ND
2017-05-025701-125-1100ND
2017-05-045701-088-0955ND
2017-05-045701-130-1035ND
2017-06-055701-130-1130ND
2017-06-065701-088-1300ND
2017-06-065701-125-1349ND
2017-07-105701-125-1330ND
2017-07-115701-088-1220ND
2017-07-139590-130-0850ND
2017-07-239590-065-1500ND
2017-07-249590-066-1440ND
2017-08-075701-125-1340ND
2017-08-085701-130-1310ND
2017-08-095701-088-1335ND
2017-08-249590-088-0915ND
2017-09-075701-088-1023ND
2017-09-075701-125-0857ND
2017-09-075701-130-0933ND
2017-09-149590-088-1247ND
2017-10-115701-125-1230ND
2017-10-195701-130-1313ND
2017-11-025701-125-1115ND
2017-11-025701-130-1005ND
2017-12-045701-130-0955ND
2017-12-115701-125-1305ND
2017-12-225810-088-1039ND
2018-01-035701-125-0936ND
2018-01-035701-130-0903ND
2018-02-085701-130-0950ND
2018-02-125701-125-1325ND
2018-03-055701-125-0935ND
2018-03-055701-130-0845ND
2018-04-035810-125-1105ND
2018-04-055810-130-1005ND
2018-05-085701-130-1240ND
2019-01-295701-125-1201ND
2019-01-305701-130-1413ND
2019-02-125701-125-1020ND
2019-02-165701-130-1335ND
2019-03-065810-125-1220ND
2019-03-075810-130-1120ND
2019-03-215810-036-1115ND
2019-04-115810-130-1355ND
2019-04-225701-067-0815ND
2019-05-025810-130-1345ND
2019-06-205701-125-1005ND
2019-06-205701-130-1110ND
2019-07-135701-125-1300ND
2019-07-165701-130-1123ND
2019-07-245810-088-1502ND
2019-07-305810-088-1425ND
2019-08-055810-088-1116ND
2019-08-125701-125-0930ND
2019-08-125701-130-0945ND
2019-08-135810-088-1410ND
2019-08-155701-088-1255ND
2019-09-075701-125-1035ND
2019-09-075701-130-0822ND
2019-10-015701-125-1130ND
2019-10-015701-130-1203ND
2019-10-065701-067-0940ND
2019-10-125701-088-1300ND
2019-11-035701-088-0938ND
2019-11-035701-125-1002ND
2019-11-145701-130-1345ND
2019-11-185701-178-1110ND
2019-12-035701-125-1030ND
2019-12-115701-130-1048ND