1,2,3-Trichloropropane
Woodville Public Utility District
1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.
53
Samples
0
Samples exceeding legal limit (MCL)
15
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.00109 ppb | 23 | 5 | ND - 0.00500 ppb |
| 2019 | 0.000417 ppb | 12 | 1 | ND - 0.00500 ppb |
| 2020 | ND | 5 | 0 | ND |
| 2021 | 0.000950 ppb | 4 | 1 | ND - 0.00380 ppb |
| 2022 | 0.00196 ppb | 5 | 4 | ND - 0.00300 ppb |
| 2023 | 0.00150 ppb | 4 | 4 | 0.00110 ppb - 0.00180 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.0007 ppb
The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane 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 cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-23 | CA5410025_002_002-201801231108 | ND |
| 2018-01-23 | CA5410025_004_004-201801231129 | ND |
| 2018-02-22 | CA5410025_004_004-201802221320 | ND |
| 2018-02-22 | CA5410025_002_002-201802221255 | ND |
| 2018-03-22 | CA5410025_002_002-201803221315 | ND |
| 2018-03-22 | CA5410025_004_004-201803221258 | 0.00500 ppb |
| 2018-04-16 | CA5410025_002_002-201804161145 | ND |
| 2018-04-16 | CA5410025_004_004-201804161125 | 0.00500 ppb |
| 2018-05-17 | CA5410025_002_002-201805171320 | ND |
| 2018-05-17 | CA5410025_004_004-201805171308 | ND |
| 2018-06-28 | CA5410025_004_004-201806281257 | 0.00500 ppb |
| 2018-06-28 | CA5410025_002_002-201806281251 | ND |
| 2018-07-19 | CA5410025_002_002-201807191140 | ND |
| 2018-07-19 | CA5410025_004_004-201807191200 | 0.00500 ppb |
| 2018-08-27 | CA5410025_002_002-201808271315 | ND |
| 2018-08-27 | CA5410025_004_004-201808271335 | ND |
| 2018-09-17 | CA5410025_002_002-201809171235 | ND |
| 2018-09-17 | CA5410025_004_004-201809171254 | 0.00500 ppb |
| 2018-10-29 | CA5410025_002_002-201810291118 | ND |
| 2018-10-29 | CA5410025_004_004-201810291140 | ND |
| 2018-11-27 | CA5410025_004_004-201811271131 | ND |
| 2018-12-18 | CA5410025_004_004-201812181200 | ND |
| 2018-12-18 | CA5410025_002_002-201812181144 | ND |
| 2019-01-10 | CA5410025_004_004-201901101010 | ND |
| 2019-01-10 | CA5410025_004_004-201901100955 | ND |
| 2019-01-10 | CA5410025_004_004-201901100945 | ND |
| 2019-01-10 | CA5410025_004_004-201901101140 | ND |
| 2019-01-10 | CA5410025_004_004-201901100940 | ND |
| 2019-01-10 | CA5410025_004_004-201901101040 | ND |
| 2019-01-22 | CA5410025_002_002-201901221145 | ND |
| 2019-02-21 | CA5410025_002_002-201902211254 | 0.00500 ppb |
| 2019-05-28 | CA5410025_004_004-201905281319 | ND |
| 2019-08-27 | CA5410025_004_004-201908271230 | ND |
| 2019-08-27 | CA5410025_002_002-201908271214 | ND |
| 2019-11-25 | CA5410025_004_004-201911251108 | ND |
| 2020-02-27 | CA5410025_002_002-202002271343 | ND |
| 2020-02-27 | CA5410025_004_004-202002271400 | ND |
| 2020-05-22 | CA5410025_004_004-202005221108 | ND |
| 2020-08-28 | CA5410025_004_004-202008280955 | ND |
| 2020-11-23 | CA5410025_004_004-202011231200 | ND |
| 2021-02-25 | CA5410025_004_004-202102251120 | ND |
| 2021-02-25 | CA5410025_002_002-202102251122 | ND |
| 2021-05-20 | CA5410025_004_004-202105201118 | ND |
| 2021-08-24 | CA5410025_004_004-202108241428 | 0.00380 ppb |
| 2022-01-04 | CA5410025_004_004-202201040900 | ND |
| 2022-02-15 | CA5410025_002_002-202202151408 | 0.00150 ppb |
| 2022-06-06 | CA5410025_004_004-202206061318 | 0.00300 ppb |
| 2022-09-15 | CA5410025_004_004-202209151404 | 0.00260 ppb |
| 2022-11-16 | CA5410025_004_004-202211161020 | 0.00270 ppb |
| 2023-03-13 | CA5410025_004_004-202303131200 | 0.00180 ppb |
| 2023-03-13 | CA5410025_002_002-202303131102 | 0.00110 ppb |
| 2023-05-15 | CA5410025_002_002-202305151300 | 0.00150 ppb |
| 2023-05-15 | CA5410025_004_004-202305151328 | 0.00160 ppb |