Dibromomethane
North Castle Water District #1
NOTE: North Castle Water District #1 purchases water from White Plains City which is required to test for dibromomethane. Sample information shown below was taken by White Plains City.
Dibromomethane is an industrial chemical and is also formed when disinfectants like chlorine are added to drinking water.
22
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 |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
NOTE: North Castle Water District #1 purchases water from White Plains City which is required to test for dibromomethane. Sample information shown below was taken by White Plains City.
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-24 | AU20758 POCS | ND |
| 2019-11-12 | AV23849 POCS | ND |
| 2020-03-17 | AW05444-POCS | ND |
| 2020-03-17 | AW05446-POCS | ND |
| 2020-03-17 | AW05448-POCS | ND |
| 2020-08-06 | AW15047-POCS | ND |
| 2020-11-09 | AW21630-POCS | ND |
| 2021-02-23 | AX03555-POCS | ND |
| 2021-02-23 | AX03551-POCS | ND |
| 2021-02-23 | AX03553-POCS | ND |
| 2021-07-08 | AX13365-POCS | ND |
| 2021-09-20 | AX19183-WP-POCS | ND |
| 2022-02-15 | AY02773-POCS | ND |
| 2022-02-15 | AY02769-POCS | ND |
| 2022-02-15 | AY02771-POCS | ND |
| 2022-09-12 | AY16285-POCS | ND |
| 2022-10-24 | AY19121-WP-POCS | ND |
| 2023-02-14 | AZ02824-POCS | ND |
| 2023-02-14 | AZ02821-POCS | ND |
| 2023-02-14 | AZ02826-POCS | ND |
| 2023-07-10 | AZ12311-POCS | ND |
| 2023-10-19 | AZ19383-POCS-WP | ND |