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EWG's Tap Water Database — 2021 UPDATE

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Bromomethane

Rancho California Water District

Bromomethane, or methyl bromide, is a pesticide fumigant that was banned because it depletes the ozone layer.

MORE ABOUT THIS CONTAMINANT

 

182

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND480ND
2015ND570ND
2016ND110ND
2017ND230ND
2018ND300ND
2019ND130ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-114790-028-0922ND
2014-03-114790-046-0815ND
2014-04-024790-085-1030ND
2014-04-024790-086-1100ND
2014-04-034790-043-1015ND
2014-04-034790-084-0915ND
2014-05-084790-048-0930ND
2014-05-234790-143-0840ND
2014-06-034790-051-1140ND
2014-08-064790-143-0905ND
2014-08-074790-095-0905ND
2014-09-044790-059-0935ND
2014-10-024790-029-0940ND
2014-10-06B4J0481-01ND
2014-10-07B4J0640-01ND
2014-10-07B4J0640-13ND
2014-10-07B4J0640-04ND
2014-10-07B4J0640-10ND
2014-10-07B4J0640-07ND
2014-10-08B4J0845-13ND
2014-10-08B4J0845-01ND
2014-10-08B4J0845-04ND
2014-10-08B4J0845-16ND
2014-10-08B4J0845-07ND
2014-10-08B4J0845-10ND
2014-10-08B4J0845-19ND
2014-10-09B4J1091-11ND
2014-10-09B4J1091-14ND
2014-10-09B4J1091-05ND
2014-10-09B4J1091-08ND
2014-10-13B4J1329-16ND
2014-10-13B4J1329-07ND
2014-10-13B4J1329-25ND
2014-10-13B4J1329-10ND
2014-10-13B4J1329-01ND
2014-10-13B4J1329-19ND
2014-10-13B4J1329-04ND
2014-10-13B4J1329-13ND
2014-10-13B4J1329-22ND
2014-10-14B4J1493-13ND
2014-10-14B4J1493-07ND
2014-10-14B4J1493-10ND
2014-10-14B4J1493-01ND
2014-10-14B4J1493-04ND
2014-10-15B4J1671-01ND
2014-11-04B4K0339-01ND
2014-11-124790-143-1045ND
2014-11-14B4K1419-01ND
2015-01-074790-097-1215ND
2015-01-15B5A1539-01ND
2015-01-294790-142-1030ND
2015-02-03B5B0305-01ND
2015-02-054790-036-1125ND
2015-02-064790-042-1100ND
2015-03-30B5C2852-04ND
2015-03-30B5C2852-01ND
2015-04-02B5D0198-01ND
2015-04-02B5D0198-04ND
2015-04-13B5D1204-01ND
2015-04-13B5D1204-16ND
2015-04-13B5D1204-04ND
2015-04-13B5D1204-07ND
2015-04-13B5D1204-10ND
2015-04-13B5D1204-22ND
2015-04-13B5D1204-19ND
2015-04-13B5D1204-13ND
2015-04-14B5D1346-01ND
2015-04-14B5D1346-04ND
2015-04-15B5D1533-16ND
2015-04-15B5D1533-31ND
2015-04-15B5D1533-34ND
2015-04-15B5D1533-04ND
2015-04-15B5D1533-07ND
2015-04-15B5D1533-22ND
2015-04-15B5D1533-25ND
2015-04-15B5D1533-28ND
2015-04-15B5D1533-13ND
2015-04-15B5D1533-01ND
2015-04-15B5D1533-10ND
2015-04-15B5D1533-19ND
2015-04-164790-058-1045ND
2015-04-224790-053-1200ND
2015-04-224790-142-1015ND
2015-04-29B5D2887-04ND
2015-04-29B5D2887-01ND
2015-05-064790-143-1050ND
2015-05-144790-015-1025ND
2015-06-024790-018-1030ND
2015-07-014790-031-1031ND
2015-07-024790-040-1130ND
2015-07-144790-142-1000ND
2015-07-21B5G2279-01ND
2015-07-21B5G2279-04ND
2015-07-274790-037-1032ND
2015-08-054790-143-1455ND
2015-08-064790-017-1245ND
2015-08-064790-019-1210ND
2015-08-064790-025-1140ND
2015-08-064790-038-0945ND
2015-08-074790-027-0840ND
2015-08-074790-035-0930ND
2015-08-20B5H2092-04ND
2015-08-20B5H2092-01ND
2015-10-144790-142-1045ND
2015-10-224790-044-0830ND
2016-01-204790-142-1030ND
2016-02-294790-150-1830ND
2016-04-144790-142-1100ND
2016-04-224790-047-0840ND
2016-04-224790-071-1030ND
2016-07-254790-012-1230ND
2016-07-274790-142-1130ND
2016-08-034790-034-1145ND
2016-08-034790-041-0955ND
2016-10-264790-143-1015ND
2016-11-104790-153-0935ND
2017-01-184790-090-1120ND
2017-02-034790-153-1050ND
2017-03-094790-046-0907ND
2017-03-234790-142-1020ND
2017-04-114790-043-0955ND
2017-04-114790-084-0940ND
2017-04-114790-085-1040ND
2017-04-124790-142-1030ND
2017-04-194790-065-1035ND
2017-04-274790-086-1025ND
2017-05-044790-153-1005ND
2017-06-144790-051-1130ND
2017-06-154790-048-1053ND
2017-07-134790-142-1035ND
2017-08-094790-095-1000ND
2017-08-104790-153-1215ND
2017-09-014790-150-0930ND
2017-09-284790-059-0943ND
2017-10-174790-029-1101ND
2017-10-194790-142-1020ND
2017-11-084790-150-1445ND
2017-11-224790-151-1100ND
2017-12-064790-045-1110ND
2018-01-044790-097-1134ND
2018-01-044790-142-1242ND
2018-01-184790-042-0845ND
2018-02-054790-036-1020ND
2018-02-074790-150-1242ND
2018-02-074790-151-1148ND
2018-04-184790-053-1025ND
2018-04-254790-152-1135ND
2018-05-034790-150-1130ND
2018-05-034790-151-1235ND
2018-05-084790-015-1006ND
2018-05-154790-024-0942ND
2018-06-144790-018-1020ND
2018-07-024790-031-1110ND
2018-07-114790-037-1045ND
2018-07-114790-040-1231ND
2018-07-174790-152-1045ND
2018-08-094790-035-1205ND
2018-08-094790-151-1000ND
2018-08-144790-038-1220ND
2018-08-144790-150-0914ND
2018-08-154790-017-1214ND
2018-08-154790-025-0952ND
2018-08-154790-027-1029ND
2018-10-034790-152-1030ND
2018-10-084790-143-1000ND
2018-10-094790-044-1135ND
2018-10-174790-155-1240ND
2018-11-064790-150-0957ND
2018-11-064790-151-1116ND
2019-01-094790-152-1100ND
2019-01-094790-155-0930ND
2019-02-124790-153-1201ND
2019-02-194790-150-0958ND
2019-02-194790-151-0841ND
2019-04-024790-155-1115ND
2019-04-044790-071-1009ND
2019-04-094790-047-0820ND
2019-06-044790-012-1225ND
2019-07-224790-155-0820ND
2019-08-144790-034-0931ND
2019-08-144790-041-1118ND
2019-10-174790-143-0912ND