1,1,2,2-Tetrachloroethane
San Jose Water Company
1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.
379
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 | N/A | 0 | 0 | N/A |
| 2014 | ND | 66 | 0 | ND |
| 2015 | ND | 63 | 0 | ND |
| 2016 | ND | 78 | 0 | ND |
| 2017 | ND | 68 | 0 | ND |
| 2018 | ND | 50 | 0 | ND |
| 2019 | ND | 54 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.1 ppb
The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane 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 |
|---|---|---|
| 2014-01-07 | 1610-067-0905 | ND |
| 2014-01-07 | 1610-107-0935 | ND |
| 2014-01-07 | 1610-108-0945 | ND |
| 2014-01-08 | 1610-136-0913 | ND |
| 2014-01-13 | 1610-181-0910 | ND |
| 2014-01-13 | 1610-182-0900 | ND |
| 2014-02-04 | 1610-143-1030 | ND |
| 2014-02-04 | 1610-168-0845 | ND |
| 2014-02-05 | 1610-130-1020 | ND |
| 2014-02-10 | 1610-173-1355 | ND |
| 2014-03-05 | 1610-180-0915 | ND |
| 2014-03-07 | 1610-075-1020 | ND |
| 2014-03-11 | 1610-177-1230 | ND |
| 2014-03-12 | 1610-170-0900 | ND |
| 2014-03-12 | 1610-171-0930 | ND |
| 2014-04-03 | 1610-177-1100 | ND |
| 2014-04-08 | 1610-086-1055 | ND |
| 2014-04-08 | 1610-181-1000 | ND |
| 2014-04-09 | 1610-185-0830 | ND |
| 2014-04-10 | 1610-137-0910 | ND |
| 2014-05-01 | 1610-128-1030 | ND |
| 2014-05-02 | 1610-176-1020 | ND |
| 2014-05-12 | 1610-113-1100 | ND |
| 2014-06-06 | 1610-005-1115 | ND |
| 2014-06-11 | 1610-108-0950 | ND |
| 2014-06-11 | 1610-185-0820 | ND |
| 2014-07-09 | 1610-181-1000 | ND |
| 2014-07-09 | 1610-182-0950 | ND |
| 2014-07-10 | 1610-086-1040 | ND |
| 2014-07-10 | 1610-108-1100 | ND |
| 2014-07-10 | 1610-172-1000 | ND |
| 2014-07-10 | 1610-185-0820 | ND |
| 2014-07-14 | 1610-184-0910 | ND |
| 2014-07-25 | 1610-177-1100 | ND |
| 2014-08-05 | 1610-072-0855 | ND |
| 2014-08-05 | 1610-184-0920 | ND |
| 2014-08-06 | 1610-003-0820 | ND |
| 2014-08-06 | 1610-033-0905 | ND |
| 2014-08-06 | 1610-176-0925 | ND |
| 2014-08-14 | 1610-178-0930 | ND |
| 2014-08-18 | 1610-110-0950 | ND |
| 2014-09-04 | 1610-185-0833 | ND |
| 2014-09-10 | 1610-068-0915 | ND |
| 2014-09-11 | 1610-111-0936 | ND |
| 2014-10-01 | 1610-005-1010 | ND |
| 2014-10-01 | 1610-168-0850 | ND |
| 2014-10-02 | 1610-025-0825 | ND |
| 2014-10-02 | 1610-184-0855 | ND |
| 2014-10-14 | 1610-136-0925 | ND |
| 2014-10-16 | 1610-086-1020 | ND |
| 2014-10-16 | 1610-177-1110 | ND |
| 2014-10-29 | 1610-117-0845 | ND |
| 2014-10-29 | 1610-118-0910 | ND |
| 2014-10-30 | 1610-134-0840 | ND |
| 2014-11-03 | 1610-102-0859 | ND |
| 2014-11-05 | 1610-181-0911 | ND |
| 2014-11-06 | 1610-004-0855 | ND |
| 2014-11-06 | 1610-176-1410 | ND |
| 2014-11-06 | 1610-182-0945 | ND |
| 2014-11-12 | 1610-141-1140 | ND |
| 2014-11-13 | 1610-034-1145 | ND |
| 2014-12-03 | 1610-108-1135 | ND |
| 2014-12-03 | 1610-109-1045 | ND |
| 2014-12-03 | 1610-130-0825 | ND |
| 2014-12-03 | 1610-137-0850 | ND |
| 2014-12-03 | 1610-175-1055 | ND |
| 2015-01-07 | 1610-086-1115 | ND |
| 2015-01-07 | 1610-107-1130 | ND |
| 2015-01-07 | 1610-108-1151 | ND |
| 2015-01-07 | 1610-175-1151 | ND |
| 2015-01-08 | 1610-024-0840 | ND |
| 2015-01-08 | 1610-168-1010 | ND |
| 2015-01-13 | 1610-074-1108 | ND |
| 2015-01-13 | 1610-075-1100 | ND |
| 2015-01-14 | 1610-186-1355 | ND |
| 2015-01-15 | 1610-093-0939 | ND |
| 2015-01-22 | 1610-143-1115 | ND |
| 2015-01-22 | 1610-144-1125 | ND |
| 2015-02-04 | 1610-002-0905 | ND |
| 2015-02-04 | 1610-022-0850 | ND |
| 2015-02-05 | 1610-030-1305 | ND |
| 2015-02-05 | 1610-109-1355 | ND |
| 2015-02-05 | 1610-118-1055 | ND |
| 2015-02-05 | 1610-172-1110 | ND |
| 2015-02-05 | 1610-173-1000 | ND |
| 2015-02-05 | 1610-175-1410 | ND |
| 2015-03-03 | 1610-112-1105 | ND |
| 2015-03-03 | 1610-170-1138 | ND |
| 2015-03-03 | 1610-171-1146 | ND |
| 2015-03-11 | 1610-125-0925 | ND |
| 2015-03-12 | 1610-179-1155 | ND |
| 2015-03-17 | 1610-108-1030 | ND |
| 2015-03-19 | 1610-092-0840 | ND |
| 2015-04-06 | 1610-101-0820 | ND |
| 2015-04-08 | 1610-088-1100 | ND |
| 2015-04-09 | 1610-131-0945 | ND |
| 2015-04-09 | 1610-186-1015 | ND |
| 2015-04-13 | 1610-016-0930 | ND |
| 2015-04-14 | 1610-086-0900 | ND |
| 2015-05-12 | 1610-185-0758 | ND |
| 2015-05-14 | 1610-130-0918 | ND |
| 2015-05-19 | 1610-175-1030 | ND |
| 2015-06-02 | 1610-070-0840 | ND |
| 2015-06-02 | 1610-142-0910 | ND |
| 2015-06-03 | 1610-134-1022 | ND |
| 2015-06-04 | 1610-108-1000 | ND |
| 2015-07-08 | 1610-133-0855 | ND |
| 2015-07-08 | 1610-135-0915 | ND |
| 2015-07-15 | 1610-186-0900 | ND |
| 2015-07-16 | 1610-116-0900 | ND |
| 2015-07-22 | 1610-187-1120 | ND |
| 2015-08-04 | 1610-023-1230 | ND |
| 2015-08-04 | 1610-031-0940 | ND |
| 2015-08-05 | 1610-072-1100 | ND |
| 2015-08-10 | 1610-114-0845 | ND |
| 2015-08-26 | 1610-156-1120 | ND |
| 2015-08-28 | 1610-108-1044 | ND |
| 2015-08-28 | 1610-109-1107 | ND |
| 2015-08-31 | 1610-110-0925 | ND |
| 2015-09-02 | 1610-111-0840 | ND |
| 2015-09-09 | 1610-185-0940 | ND |
| 2015-09-10 | 1610-086-1150 | ND |
| 2015-09-24 | 1610-090-1145 | ND |
| 2015-10-02 | 1610-186-0829 | ND |
| 2015-10-07 | 1610-137-0940 | ND |
| 2015-10-07 | 1610-138-1020 | ND |
| 2015-10-15 | 1610-086-1030 | ND |
| 2015-11-04 | 1610-126-0940 | ND |
| 2015-12-07 | 1610-108-1030 | ND |
| 2016-01-05 | 1610-107-1249 | ND |
| 2016-01-06 | 1610-067-1215 | ND |
| 2016-01-07 | 1610-136-0900 | ND |
| 2016-01-07 | 1610-185-0955 | ND |
| 2016-01-07 | 1610-186-0933 | ND |
| 2016-01-08 | 1610-180-0920 | ND |
| 2016-01-11 | 1610-086-0944 | ND |
| 2016-01-11 | 1610-168-1035 | ND |
| 2016-01-13 | 1610-094-0930 | ND |
| 2016-01-14 | 1610-143-1100 | ND |
| 2016-01-26 | 1610-075-0952 | ND |
| 2016-01-29 | 1610-003-1020 | ND |
| 2016-01-29 | 1610-108-1010 | ND |
| 2016-02-08 | 1610-141-0950 | ND |
| 2016-02-08 | 1610-144-0945 | ND |
| 2016-02-10 | 1610-111-0905 | ND |
| 2016-02-10 | 1610-172-0835 | ND |
| 2016-02-11 | 1610-003-0955 | ND |
| 2016-02-18 | 1610-113-1230 | ND |
| 2016-02-18 | 1610-117-1202 | ND |
| 2016-02-22 | 1610-068-0955 | ND |
| 2016-02-22 | 1610-178-1130 | ND |
| 2016-02-22 | 1610-183-1230 | ND |
| 2016-02-23 | 1610-025-0900 | ND |
| 2016-02-24 | 1610-128-1240 | ND |
| 2016-02-24 | 1610-130-1300 | ND |
| 2016-02-24 | 1610-137-1132 | ND |
| 2016-02-25 | 1610-005-1230 | ND |
| 2016-02-25 | 1610-181-1044 | ND |
| 2016-03-01 | 1610-101-0920 | ND |
| 2016-03-02 | 1610-118-1350 | ND |
| 2016-03-04 | 1610-005-1315 | ND |
| 2016-03-10 | 1610-175-1145 | ND |
| 2016-03-17 | 1610-176-1105 | ND |
| 2016-03-22 | 1610-029-1030 | ND |
| 2016-03-22 | 1610-156-1200 | ND |
| 2016-03-23 | 1610-004-1335 | ND |
| 2016-03-24 | 1610-173-0955 | ND |
| 2016-03-28 | 1610-177-0940 | ND |
| 2016-03-29 | 1610-171-1230 | ND |
| 2016-03-30 | 1610-075-1407 | ND |
| 2016-03-30 | 1610-187-1420 | ND |
| 2016-04-01 | 1610-005-1140 | ND |
| 2016-04-07 | 1610-102-0815 | ND |
| 2016-05-04 | 1233-198-1200 | ND |
| 2016-05-24 | 1610-075-1130 | ND |
| 2016-06-08 | 1610-108-0855 | ND |
| 2016-06-08 | 1610-129-0835 | ND |
| 2016-06-08 | 1610-186-1000 | ND |
| 2016-06-14 | 1610-169-0950 | ND |
| 2016-06-14 | 1610-184-0830 | ND |
| 2016-06-15 | 1610-140-1115 | ND |
| 2016-06-15 | 1233-199-1300 | ND |
| 2016-06-16 | 1610-173-0933 | ND |
| 2016-06-28 | 1610-024-0840 | ND |
| 2016-07-15 | 1610-086-0935 | ND |
| 2016-07-15 | 1610-173-1000 | ND |
| 2016-07-15 | 1610-175-0855 | ND |
| 2016-07-15 | 1610-187-0900 | ND |
| 2016-07-18 | 1610-102-0840 | ND |
| 2016-07-18 | 1610-185-0825 | ND |
| 2016-07-19 | 1610-108-0900 | ND |
| 2016-07-19 | 1610-109-0850 | ND |
| 2016-07-20 | 1610-186-0930 | ND |
| 2016-07-26 | 1233-198-1230 | ND |
| 2016-08-25 | 1233-194-1200 | ND |
| 2016-10-03 | 1233-196-1100 | ND |
| 2016-10-20 | 1610-086-1035 | ND |
| 2016-10-20 | 1610-173-1208 | ND |
| 2016-12-01 | 1610-102-0800 | ND |
| 2016-12-01 | 1610-108-1115 | ND |
| 2016-12-01 | 1610-109-1125 | ND |
| 2016-12-01 | 1610-175-1120 | ND |
| 2016-12-02 | 1610-185-1500 | ND |
| 2016-12-15 | 1610-187-1245 | ND |
| 2016-12-15 | 1233-195-1200 | ND |
| 2016-12-21 | 1610-170-1040 | ND |
| 2016-12-22 | 1610-156-1128 | ND |
| 2017-01-09 | 1610-134-0905 | ND |
| 2017-01-09 | 1610-187-0934 | ND |
| 2017-01-10 | 1610-126-0904 | ND |
| 2017-01-11 | 1610-031-0905 | ND |
| 2017-01-11 | 1610-108-0947 | ND |
| 2017-01-11 | 1610-109-1010 | ND |
| 2017-01-12 | 1610-002-0830 | ND |
| 2017-01-12 | 1610-067-1100 | ND |
| 2017-01-12 | 1610-070-0945 | ND |
| 2017-01-12 | 1610-180-1000 | ND |
| 2017-01-12 | 1610-185-0830 | ND |
| 2017-01-17 | 1610-023-0920 | ND |
| 2017-01-17 | 1610-027-0950 | ND |
| 2017-01-18 | 1610-172-1335 | ND |
| 2017-01-19 | 1610-034-1035 | ND |
| 2017-01-25 | 1610-142-0850 | ND |
| 2017-01-26 | 1610-022-1005 | ND |
| 2017-01-26 | 1610-086-1415 | ND |
| 2017-01-26 | 1610-170-1115 | ND |
| 2017-01-31 | 1610-090-1225 | ND |
| 2017-01-31 | 1610-093-1125 | ND |
| 2017-01-31 | 1610-094-1215 | ND |
| 2017-01-31 | 1610-179-1520 | ND |
| 2017-02-01 | 1610-016-1343 | ND |
| 2017-02-01 | 1610-173-1355 | ND |
| 2017-02-02 | 1610-138-0900 | ND |
| 2017-02-02 | 1610-175-0938 | ND |
| 2017-02-08 | 1610-133-1150 | ND |
| 2017-02-09 | 1610-118-1105 | ND |
| 2017-02-16 | 1610-030-1130 | ND |
| 2017-03-21 | 1610-101-0915 | ND |
| 2017-03-22 | 1610-102-0800 | ND |
| 2017-03-23 | 1610-171-0630 | ND |
| 2017-03-27 | 1610-168-0900 | ND |
| 2017-03-28 | 1610-110-1130 | ND |
| 2017-03-29 | 1610-033-0830 | ND |
| 2017-04-12 | 1610-086-1220 | ND |
| 2017-04-26 | 1610-185-0800 | ND |
| 2017-05-05 | 1610-102-0820 | ND |
| 2017-05-05 | 1610-108-0935 | ND |
| 2017-05-05 | 1610-109-1000 | ND |
| 2017-05-05 | 1610-110-1035 | ND |
| 2017-05-05 | 1610-175-1105 | ND |
| 2017-05-09 | 1610-156-0955 | ND |
| 2017-05-11 | 1610-187-0840 | ND |
| 2017-06-27 | 1610-004-1005 | ND |
| 2017-06-29 | 1610-136-1000 | ND |
| 2017-07-06 | 1610-110-1055 | ND |
| 2017-07-07 | 1610-187-0955 | ND |
| 2017-07-11 | 1610-108-0917 | ND |
| 2017-07-11 | 1610-109-0900 | ND |
| 2017-07-20 | 1610-131-0910 | ND |
| 2017-07-26 | 1610-086-1000 | ND |
| 2017-07-27 | 1610-185-0800 | ND |
| 2017-08-09 | 1610-156-0940 | ND |
| 2017-09-06 | 1610-102-0819 | ND |
| 2017-09-29 | 1610-175-0955 | ND |
| 2017-10-16 | 1610-088-0915 | ND |
| 2017-11-02 | 1610-185-0849 | ND |
| 2017-11-03 | 1610-175-1302 | ND |
| 2017-11-14 | 1610-102-0815 | ND |
| 2017-11-15 | 1610-156-1010 | ND |
| 2017-11-16 | 1610-108-1105 | ND |
| 2017-11-17 | 1610-187-0830 | ND |
| 2017-11-29 | 1610-109-1257 | ND |
| 2017-11-29 | 1610-110-1317 | ND |
| 2017-12-14 | 1610-075-1335 | ND |
| 2017-12-27 | 1610-112-1305 | ND |
| 2018-01-11 | 1610-086-1000 | ND |
| 2018-01-11 | 1610-156-0940 | ND |
| 2018-01-11 | 1610-178-1030 | ND |
| 2018-01-17 | 1610-075-1150 | ND |
| 2018-01-17 | 1610-202-1135 | ND |
| 2018-01-18 | 1610-187-1230 | ND |
| 2018-01-24 | 1610-102-1350 | ND |
| 2018-01-24 | 1610-185-1400 | ND |
| 2018-01-25 | 1610-108-1100 | ND |
| 2018-01-25 | 1610-109-1120 | ND |
| 2018-01-25 | 1610-110-1145 | ND |
| 2018-01-25 | 1610-125-1130 | ND |
| 2018-01-25 | 1610-135-1230 | ND |
| 2018-01-25 | 1610-175-1345 | ND |
| 2018-01-31 | 1610-088-1220 | ND |
| 2018-01-31 | 1610-176-1010 | ND |
| 2018-02-01 | 1610-111-1010 | ND |
| 2018-02-01 | 1610-183-1220 | ND |
| 2018-02-13 | 1610-117-1440 | ND |
| 2018-04-24 | 1610-108-0930 | ND |
| 2018-04-24 | 1610-109-1000 | ND |
| 2018-04-24 | 1610-110-1015 | ND |
| 2018-04-24 | 1610-175-1035 | ND |
| 2018-04-24 | 1610-187-0855 | ND |
| 2018-04-26 | 1610-113-1310 | ND |
| 2018-04-26 | 1610-156-1035 | ND |
| 2018-04-27 | 1610-086-1045 | ND |
| 2018-04-30 | 1610-202-0945 | ND |
| 2018-05-18 | 1610-102-1035 | ND |
| 2018-06-19 | 1610-185-0750 | ND |
| 2018-07-17 | 1610-108-0855 | ND |
| 2018-07-17 | 1610-109-0920 | ND |
| 2018-07-17 | 1610-110-0905 | ND |
| 2018-07-17 | 1610-175-0953 | ND |
| 2018-07-31 | 1610-156-0950 | ND |
| 2018-07-31 | 1610-187-0900 | ND |
| 2018-08-13 | 1610-102-0830 | ND |
| 2018-08-13 | 1610-185-0820 | ND |
| 2018-08-16 | 1610-086-0835 | ND |
| 2018-08-16 | 1610-114-1112 | ND |
| 2018-08-16 | 1610-116-0942 | ND |
| 2018-10-03 | 1610-102-0837 | ND |
| 2018-10-03 | 1610-185-0826 | ND |
| 2018-10-05 | 1610-086-0954 | ND |
| 2018-10-19 | 1610-108-0953 | ND |
| 2018-10-19 | 1610-109-0940 | ND |
| 2018-10-19 | 1610-175-1020 | ND |
| 2018-10-24 | 1610-156-0915 | ND |
| 2018-11-02 | 1610-187-0935 | ND |
| 2018-12-12 | 1610-202-1405 | ND |
| 2019-01-14 | 1610-075-1330 | ND |
| 2019-01-16 | 1610-199-0915 | ND |
| 2019-01-23 | 1610-003-0930 | ND |
| 2019-01-23 | 1610-029-0930 | ND |
| 2019-01-23 | 1610-202-1030 | ND |
| 2019-01-24 | 1610-025-1200 | ND |
| 2019-01-30 | 1610-102-1205 | ND |
| 2019-01-30 | 1610-156-0915 | ND |
| 2019-01-30 | 1610-169-1005 | ND |
| 2019-02-05 | 1610-107-0905 | ND |
| 2019-02-05 | 1610-108-0923 | ND |
| 2019-02-05 | 1610-109-0945 | ND |
| 2019-02-05 | 1610-110-1007 | ND |
| 2019-02-05 | 1610-175-1042 | ND |
| 2019-02-05 | 1610-179-1220 | ND |
| 2019-02-06 | 1610-086-1220 | ND |
| 2019-02-07 | 1610-112-0951 | ND |
| 2019-02-07 | 1610-172-0846 | ND |
| 2019-02-14 | 1610-128-1000 | ND |
| 2019-02-14 | 1610-186-0932 | ND |
| 2019-02-21 | 1610-170-1100 | ND |
| 2019-02-21 | 1610-171-1025 | ND |
| 2019-02-28 | 1610-129-0945 | ND |
| 2019-02-28 | 1610-130-0937 | ND |
| 2019-02-28 | 1610-140-1110 | ND |
| 2019-02-28 | 1610-141-0930 | ND |
| 2019-02-28 | 1610-143-0945 | ND |
| 2019-03-06 | 1610-144-1420 | ND |
| 2019-03-07 | 1610-137-1000 | ND |
| 2019-03-07 | 1610-177-1210 | ND |
| 2019-03-14 | 1610-181-1020 | ND |
| 2019-03-14 | 1610-187-1341 | ND |
| 2019-03-20 | 1610-024-1210 | ND |
| 2019-03-21 | 1610-068-1345 | ND |
| 2019-03-21 | 1610-184-1023 | ND |
| 2019-03-27 | 1610-185-0800 | ND |
| 2019-04-09 | 1610-202-0840 | ND |
| 2019-04-12 | 1610-185-1452 | ND |
| 2019-04-18 | 1610-086-0955 | ND |
| 2019-04-19 | 1610-102-0730 | ND |
| 2019-05-02 | 1610-108-1030 | ND |
| 2019-05-02 | 1610-110-1140 | ND |
| 2019-05-06 | 1610-199-1015 | ND |
| 2019-07-08 | 1610-202-1140 | ND |
| 2019-07-12 | 1610-108-0852 | ND |
| 2019-07-12 | 1610-110-0910 | ND |
| 2019-07-15 | 1610-185-0843 | ND |
| 2019-07-23 | 1610-199-0945 | ND |
| 2019-08-29 | 1610-102-0819 | ND |
| 2019-10-02 | 1610-086-1017 | ND |
| 2019-10-02 | 1610-185-0820 | ND |
| 2019-10-10 | 1610-108-1120 | ND |
| 2019-10-10 | 1610-110-1130 | ND |
| 2019-11-14 | 1610-102-1430 | ND |