Bromomethane
Lake Sherwood Community Services District
NOTE: Lake Sherwood Community Services District purchases water from Calleguas Municipal Water District which is required to test for bromomethane. Sample information shown below was taken by Calleguas Municipal Water District.
Bromomethane, or methyl bromide, is a pesticide fumigant that was banned because it depletes the ozone layer.
50
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | ND | 4 | 0 | ND |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 10 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
| 2020 | ND | 9 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Lake Sherwood Community Services District purchases water from Calleguas Municipal Water District which is required to test for bromomethane. Sample information shown below was taken by Calleguas Municipal Water District.
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-13 | CA5610050_015_015-201802131050 | ND |
| 2018-02-13 | CA5610050_016_016-201802130945 | ND |
| 2018-02-26 | CA5610050_001_001-201802260830 | ND |
| 2018-02-26 | CA5610050_004_004-201802260915 | ND |
| 2018-03-07 | CA5610050_013_013-201803071320 | ND |
| 2018-03-08 | CA5610050_014_014-201803081330 | ND |
| 2018-03-08 | CA5610050_012_012-201803081000 | ND |
| 2018-03-15 | CA5610050_001_001-201803151300 | ND |
| 2018-04-30 | CA5610050_017_017-201804301030 | ND |
| 2018-11-05 | CA5610050_004_004-201811050820 | ND |
| 2019-01-29 | CA5610050_001_001-201901290900 | ND |
| 2019-01-29 | CA5610050_004_004-201901290930 | ND |
| 2019-02-04 | CA5610050_018_018-201902040945 | ND |
| 2019-02-05 | CA5610050_023_023-201902050945 | ND |
| 2019-02-05 | CA5610050_022_022-201902051020 | ND |
| 2019-02-07 | CA5610050_020_020-201902070840 | ND |
| 2019-02-19 | CA5610050_019_019-201902191100 | ND |
| 2019-11-04 | CA5610050_004_004-201911040800 | ND |
| 2020-01-03 | CA5610050_007_007-202001031030 | ND |
| 2020-01-07 | CA5610050_008_008-202001071030 | ND |
| 2020-01-30 | CA5610050_004_004-202001300930 | ND |
| 2020-01-30 | CA5610050_001_001-202001300945 | ND |
| 2020-02-03 | CA5610050_011_011-202002030945 | ND |
| 2020-02-10 | CA5610050_009_009-202002101145 | ND |
| 2020-02-10 | CA5610050_006_006-202002101005 | ND |
| 2020-02-12 | CA5610050_010_010-202002121110 | ND |
| 2020-11-04 | CA5610050_004_004-202011040830 | ND |
| 2021-02-10 | CA5610050_015_015-202102100830 | ND |
| 2021-02-11 | CA5610050_004_004-202102110920 | ND |
| 2021-02-11 | CA5610050_001_001-202102110820 | ND |
| 2021-02-17 | CA5610050_017_017-202102171100 | ND |
| 2021-02-17 | CA5610050_012_012-202102171000 | ND |
| 2021-02-19 | CA5610050_013_013-202102191040 | ND |
| 2021-02-22 | CA5610050_016_016-202102221117 | ND |
| 2021-02-23 | CA5610050_014_014-202102231000 | ND |
| 2022-01-03 | CA5610050_004_004-202201030920 | ND |
| 2022-01-03 | CA5610050_001_001-202201030846 | ND |
| 2022-01-04 | CA5610050_019_019-202201040850 | ND |
| 2022-01-06 | CA5610050_023_023-202201060920 | ND |
| 2022-01-13 | CA5610050_020_020-202201130950 | ND |
| 2022-01-19 | CA5610050_022_022-202201191200 | ND |
| 2022-01-19 | CA5610050_018_018-202201191115 | ND |
| 2022-07-27 | CA5610050_021_021-202207271040 | ND |
| 2023-03-15 | CA5610050_001_001-202303150945 | ND |
| 2023-03-15 | CA5610050_004_004-202303150900 | ND |
| 2023-03-21 | CA5610050_006_006-202303211000 | ND |
| 2023-03-21 | CA5610050_008_008-202303211100 | ND |
| 2023-03-22 | CA5610050_009_009-202303221140 | ND |
| 2023-03-23 | CA5610050_007_007-202303230830 | ND |
| 2023-09-21 | CA5610050_010_010-202309211250 | ND |