Chloromethane
Lake Erie Mobile Home Park LLC
Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.
54
Samples
0
Samples exceeding legal limit (MCL)
23
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 2.45 ppb | 11 | 9 | ND - 3.90 ppb |
| 2019 | 2.61 ppb | 8 | 6 | ND - 5.50 ppb |
| 2020 | 3.41 ppb | 8 | 8 | 1.20 ppb - 5.80 ppb |
| 2021 | 1.43 ppb | 8 | 6 | ND - 5.60 ppb |
| 2022 | 2.34 ppb | 10 | 10 | 0.500 ppb - 4.60 ppb |
| 2023 | 2.28 ppb | 9 | 9 | 0.790 ppb - 4.50 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 2.69 ppb
The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-17 | R1800451-002 | 3.90 ppb |
| 2018-01-17 | R1800451-001 | ND |
| 2018-02-14 | R1801318-004 | ND |
| 2018-02-14 | R1801318-003 | 3.60 ppb |
| 2018-03-06 | R1802013-003 | 3.70 ppb |
| 2018-05-23 | 2Q18 LEMHP POC EP5 | 3.00 ppb |
| 2018-05-23 | 2Q18 LEMHP POC EP1-4 | 1.90 ppb |
| 2018-08-22 | 3Q18 LEMHP POC EP5 | 3.90 ppb |
| 2018-08-22 | 3Q18 LEMHP POC EP1-4 | 2.40 ppb |
| 2018-10-24 | 4Q18 LEMHP POC EP1-4 | 1.80 ppb |
| 2018-10-24 | 4Q18 LEMHP POC EP5 | 2.80 ppb |
| 2019-03-20 | 1Q19 LEMHP POC EP1-4 | 2.20 ppb |
| 2019-03-20 | 1Q19 LEMHP POC EP5 | 5.50 ppb |
| 2019-05-15 | 2Q19 LEMHP POC EP5 | 4.00 ppb |
| 2019-05-15 | 2Q19 LEMHP POC EP1-4 | 1.70 ppb |
| 2019-08-21 | 3Q19 LEMHP POC EP1-4 | 3.00 ppb |
| 2019-08-21 | 3Q19 LEMHP POC EP5 | 4.50 ppb |
| 2019-11-20 | 4Q19 LEMHP POC EP1-4 | ND |
| 2019-11-20 | 4Q19 LEMHP POC EP5 | ND |
| 2020-02-12 | 1Q20 LEMHP POC EP5 | 4.40 ppb |
| 2020-02-12 | 1Q20 LEMHP POC EP1-4 | 1.20 ppb |
| 2020-04-22 | 2Q20 LEMHP POC EP1-4 | 3.10 ppb |
| 2020-04-22 | 2Q20 LEMHP POC EP5 | 5.80 ppb |
| 2020-08-19 | 3Q20 LEMHP POC EP1-4 | 2.50 ppb |
| 2020-08-19 | 3Q20 LEMHP POC EP5 | 4.30 ppb |
| 2020-11-11 | 4Q20 LEMHP POC EP1-4 | 2.20 ppb |
| 2020-11-11 | 4Q20 LEMHP POC EP5 | 3.80 ppb |
| 2021-02-23 | Q1 21 POCS LEE WL 5 | 1.30 ppb |
| 2021-02-23 | Q1 21 LEE WL1-4 | 1.50 ppb |
| 2021-05-12 | Q2 21 POCS LEE WL5 | ND |
| 2021-05-12 | Q2 21 POC LEE WL1-4 | ND |
| 2021-08-18 | Q3 21 POC LEE WL1-4 | 0.510 ppb |
| 2021-08-18 | Q3 21 POCS LEE WL5 | 1.90 ppb |
| 2021-11-10 | Q4 21 POC LEE WL5 | 5.60 ppb |
| 2021-11-10 | Q4 21 POC LEE WL1-4 | 0.650 ppb |
| 2022-03-16 | Q1 22 POC LEE WL5 | 4.60 ppb |
| 2022-03-16 | Q1 22 POC LEE WL1-4 | 1.50 ppb |
| 2022-05-17 | Q2 22 POC LEE WL1-4 | 2.60 ppb |
| 2022-05-17 | Q2 22 POC LEE WL5 | 3.70 ppb |
| 2022-06-29 | Q2 22 2ND WL5 | 1.70 ppb |
| 2022-06-29 | Q2 22 2ND WL1-4 | 1.30 ppb |
| 2022-09-20 | 2022 POCS LEE EP5 | 3.40 ppb |
| 2022-09-20 | 2022 POCS LEE EP1 | 0.500 ppb |
| 2022-11-16 | Q4 22 POC LEE WL1-4 | 1.80 ppb |
| 2022-11-16 | Q4 22 POC LEE WL5 | 2.30 ppb |
| 2023-03-22 | Q1 23 POC LEE EP5 | 0.790 ppb |
| 2023-03-22 | 2023 LEE EP1 POCS | 3.40 ppb |
| 2023-03-22 | Q1 23 POC LEE WL1-4 | 3.40 ppb |
| 2023-04-19 | Q2 23 POC LEE EP5 | 1.10 ppb |
| 2023-04-19 | Q2 23 POC LEE WL1-4 | 2.30 ppb |
| 2023-07-19 | Q3 23 POC LEE WL1-4 | 1.20 ppb |
| 2023-07-19 | Q3 23 POC LEE EP5 | 2.70 ppb |
| 2023-12-27 | Q4 23 POC LEE WL1-4 | 1.10 ppb |
| 2023-12-27 | Q4 23 POC LEE EP5 | 4.50 ppb |