1,2,3-Trichloropropane

City of Shafter

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.

MORE ABOUT THIS CONTAMINANT

303

Samples

Samples exceeding legal limit (MCL)

259

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	0.0728 ppb	6	4	ND - 0.170 ppb
2014	0.106 ppb	56	54	ND - 0.280 ppb
2015	0.113 ppb	58	57	ND - 0.274 ppb
2016	0.120 ppb	38	38	0.00700 ppb - 0.300 ppb
2017	0.0730 ppb	1	1	0.0730 ppb
2018	0.0856 ppb	63	49	ND - 0.269 ppb
2019	0.0637 ppb	81	56	ND - 0.350 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2013-09-19	A3H1649-10A	0.1000 ppb
2013-09-19	A3H1649-08A	0.0370 ppb
2013-09-19	A3H1649-12A	0.130 ppb
2013-09-19	A3H1649-01A	ND
2013-09-19	A3H1649-06A	0.170 ppb
2013-10-02	A3H1649-04A	ND
2014-01-29	5806-003-1000	0.1000 ppb
2014-01-29	5806-004-1350	0.0820 ppb
2014-01-29	5806-007-1330	0.0380 ppb
2014-01-29	5806-017-1120	0.00900 ppb
2014-02-26	5806-003-1330	0.1000 ppb
2014-02-26	5806-004-1420	0.0820 ppb
2014-02-26	5806-007-1430	0.0330 ppb
2014-02-26	5806-017-1450	0.0120 ppb
2014-03-26	5806-003-0800	0.130 ppb
2014-03-26	5806-004-1245	0.130 ppb
2014-03-26	5806-007-1230	0.0550 ppb
2014-03-26	5806-017-0820	0.01000 ppb
2014-04-08	A4B1765-08A	0.140 ppb
2014-04-08	A4B1765-12A	0.140 ppb
2014-04-08	A4B1765-10A	0.210 ppb
2014-04-08	A4B1765-01A	ND
2014-04-08	A4B1765-06A	0.280 ppb
2014-04-08	A4B1765-04A	ND
2014-04-30	5806-003-1420	0.150 ppb
2014-04-30	5806-004-1330	0.140 ppb
2014-04-30	5806-007-1350	0.1000 ppb
2014-04-30	5806-008-1148	0.130 ppb
2014-04-30	5806-017-1030	0.0160 ppb
2014-05-29	5806-003-1100	0.180 ppb
2014-05-29	5806-004-0940	0.160 ppb
2014-05-29	5806-007-0948	0.0940 ppb
2014-05-29	5806-008-0930	0.120 ppb
2014-05-29	5806-017-0900	0.0160 ppb
2014-06-27	5806-003-0920	0.190 ppb
2014-06-30	5806-004-1200	0.0870 ppb
2014-06-30	5806-007-1145	0.0480 ppb
2014-06-30	5806-008-1125	0.0700 ppb
2014-06-30	5806-017-1100	0.0220 ppb
2014-07-31	5806-003-1350	0.170 ppb
2014-07-31	5806-004-1120	0.120 ppb
2014-07-31	5806-007-1130	0.0460 ppb
2014-07-31	5806-008-1340	0.150 ppb
2014-07-31	5806-017-1325	0.0190 ppb
2014-08-28	5806-003-0820	0.170 ppb
2014-08-28	5806-004-1215	0.130 ppb
2014-08-28	5806-007-1200	0.0680 ppb
2014-08-28	5806-008-0930	0.140 ppb
2014-08-28	5806-017-0840	0.0150 ppb
2014-09-30	5806-003-1425	0.220 ppb
2014-09-30	5806-004-1438	0.240 ppb
2014-09-30	5806-007-1448	0.120 ppb
2014-11-25	5806-003-0800	0.210 ppb
2014-11-25	5806-004-0900	0.150 ppb
2014-11-25	5806-007-0855	0.0770 ppb
2014-11-25	5806-008-0845	0.150 ppb
2014-11-25	5806-017-0920	0.0190 ppb
2014-12-30	5806-003-0920	0.220 ppb
2014-12-30	5806-004-0910	0.120 ppb
2014-12-30	5806-007-0930	0.160 ppb
2014-12-30	5806-008-0805	0.120 ppb
2014-12-30	5806-017-0815	0.0160 ppb
2015-01-28	5806-003-1150	0.180 ppb
2015-01-28	5806-004-1030	0.220 ppb
2015-01-28	5806-007-1145	0.120 ppb
2015-01-28	5806-008-0830	0.120 ppb
2015-01-28	5806-017-1335	0.0120 ppb
2015-02-25	5806-003-1310	0.150 ppb
2015-02-25	5806-004-0845	0.200 ppb
2015-02-25	5806-007-0945	0.110 ppb
2015-02-25	5806-008-0800	0.0940 ppb
2015-02-25	5806-017-0815	0.0120 ppb
2015-03-26	5806-003-1020	0.180 ppb
2015-03-26	5806-004-1035	0.190 ppb
2015-03-26	5806-007-1115	0.110 ppb
2015-03-26	5806-008-0755	0.110 ppb
2015-03-26	5806-017-0810	0.0120 ppb
2015-04-30	5806-003-0910	0.170 ppb
2015-04-30	5806-004-0850	0.0930 ppb
2015-04-30	5806-007-1110	0.0940 ppb
2015-04-30	5806-008-0845	0.110 ppb
2015-04-30	5806-017-1100	0.0150 ppb
2015-05-28	5806-003-0955	0.170 ppb
2015-05-28	5806-004-0900	0.160 ppb
2015-05-28	5806-007-1200	0.0950 ppb
2015-05-28	5806-008-0844	0.120 ppb
2015-05-28	5806-016-0920	0.130 ppb
2015-05-28	5806-017-1100	0.0120 ppb
2015-06-30	5806-003-0930	0.180 ppb
2015-06-30	5806-004-1135	0.190 ppb
2015-06-30	5806-007-1125	0.0970 ppb
2015-06-30	5806-008-0940	0.120 ppb
2015-06-30	5806-017-0950	0.0160 ppb
2015-07-29	5806-003-1305	0.180 ppb
2015-07-29	5806-004-1120	0.110 ppb
2015-07-29	5806-007-1230	0.110 ppb
2015-07-29	5806-008-1215	0.120 ppb
2015-07-29	5806-017-1115	0.0180 ppb
2015-08-27	5806-003-0955	0.200 ppb
2015-08-27	5806-004-0944	0.120 ppb
2015-08-27	5806-007-1030	0.0520 ppb
2015-08-27	5806-008-1035	0.130 ppb
2015-08-27	5806-017-1135	0.0170 ppb
2015-09-30	5806-003-1040	0.180 ppb
2015-09-30	5806-004-0930	0.120 ppb
2015-09-30	5806-007-1425	0.110 ppb
2015-09-30	5806-008-1100	0.120 ppb
2015-09-30	5806-017-1315	0.0180 ppb
2015-10-28	5806-003-1030	0.190 ppb
2015-10-28	5806-004-1040	0.220 ppb
2015-10-28	5806-007-1340	0.120 ppb
2015-10-28	5806-008-1150	0.130 ppb
2015-10-28	5806-017-1055	0.0150 ppb
2015-11-24	5806-003-1120	0.170 ppb
2015-11-24	5806-007-1250	0.0860 ppb
2015-11-24	5806-008-1100	0.0900 ppb
2015-11-24	5806-016-1155	ND
2015-11-24	5806-017-1350	0.0110 ppb
2015-12-28	5867-003-1010	0.274 ppb
2015-12-28	5867-007-1155	0.0740 ppb
2016-01-26	5867-003-1110	0.300 ppb
2016-01-26	5867-007-1140	0.210 ppb
2016-01-26	5867-017-1050	0.0220 ppb
2016-02-23	5867-003-0920	0.210 ppb
2016-02-23	5867-007-1225	0.1000 ppb
2016-02-23	5867-017-1055	0.0220 ppb
2016-03-29	5867-003-1000	0.190 ppb
2016-03-29	5867-007-1340	0.200 ppb
2016-03-29	5867-017-1135	0.0240 ppb
2016-04-26	5867-007-1255	0.190 ppb
2016-04-26	5867-008-1230	0.210 ppb
2016-04-26	5867-017-1200	0.0220 ppb
2016-04-26	5867-021-1057	0.150 ppb
2016-05-24	5867-007-1350	0.190 ppb
2016-05-24	5867-008-1210	0.230 ppb
2016-05-24	5867-017-1240	0.0240 ppb
2016-05-24	5867-021-1320	0.270 ppb
2016-06-21	5867-007-1210	0.170 ppb
2016-06-21	5867-008-1005	0.160 ppb
2016-06-21	5867-017-1145	0.0220 ppb
2016-06-21	5867-021-1125	0.0890 ppb
2016-07-19	5867-007-1130	0.0790 ppb
2016-07-19	5867-008-1145	0.230 ppb
2016-07-19	5867-017-1235	0.0260 ppb
2016-07-19	5867-021-1210	0.0820 ppb
2016-10-26	5867-007-1155	0.123 ppb
2016-10-26	5867-008-1035	0.123 ppb
2016-10-26	5867-017-1100	0.0170 ppb
2016-10-26	5867-021-1130	0.170 ppb
2016-11-22	5867-007-1315	0.130 ppb
2016-11-22	5867-008-1205	0.192 ppb
2016-11-22	5867-017-1300	0.0220 ppb
2016-11-22	5867-021-1145	0.0820 ppb
2016-12-20	5867-007-1150	0.0760 ppb
2016-12-20	5867-008-1045	0.0800 ppb
2016-12-20	5867-016-1030	0.00700 ppb
2016-12-20	5867-017-1125	0.0250 ppb
2016-12-20	5867-021-1105	0.0760 ppb
2017-06-01		0.0730 ppb*
2018-01-23	5867-007-1300	0.00700 ppb
2018-01-23	5867-008-1345	0.0660 ppb
2018-01-23	5867-016-1230	ND
2018-01-23	5867-017-1245	0.0170 ppb
2018-01-23	5867-021-1315	ND
2018-02-20	5867-007-1230	0.210 ppb
2018-02-20	5867-008-1245	0.180 ppb
2018-02-20	5867-016-1130	ND
2018-02-20	5867-017-1200	0.0240 ppb
2018-02-20	5867-021-1140	0.0650 ppb
2018-03-28	5867-008-1315	0.176 ppb
2018-03-28	5867-016-1210	ND
2018-03-28	5867-017-1245	0.0250 ppb
2018-03-28	5867-021-1335	ND
2018-04-24	5867-008-1140	0.250 ppb
2018-05-09	5867-016-0920	ND
2018-05-09	5867-017-0950	0.0350 ppb
2018-05-29	5867-008-1145	0.170 ppb
2018-05-29	5867-016-1115	ND
2018-05-29	5867-017-1018	0.0300 ppb
2018-05-29	5867-021-1130	0.122 ppb
2018-06-19	5867-008-1020	0.200 ppb
2018-06-19	5867-016-0940	ND
2018-06-19	5867-017-0955	0.0310 ppb
2018-06-19	5867-021-1035	0.1000 ppb
2018-07-24	5867-007-0920	0.269 ppb
2018-07-24	5867-008-1035	0.176 ppb
2018-07-24	5867-016-0842	ND
2018-07-24	5867-017-0935	0.0290 ppb
2018-07-24	5867-021-0950	0.110 ppb
2018-07-24	5867-021-1000	0.0949 ppb
2018-08-29	5867-007-1045	0.150 ppb
2018-08-29	5867-008-0930	0.190 ppb
2018-08-29	5867-016-1020	ND
2018-08-29	5867-017-0945	0.0260 ppb
2018-08-29	5867-021-0915	0.1000 ppb
2018-09-11	5867-007-0900	0.119 ppb
2018-09-11	5867-017-0900	0.0350 ppb
2018-09-25	5867-007-1030	0.210 ppb
2018-09-25	5867-008-1015	0.204 ppb
2018-09-25	5867-016-0925	ND
2018-09-25	5867-017-1000	0.0320 ppb
2018-09-25	5867-021-0910	0.109 ppb
2018-09-25	5867-023-1125	0.172 ppb
2018-10-23	5867-007-1100	0.212 ppb
2018-10-23	5867-008-1030	0.161 ppb
2018-10-23	5867-016-1015	ND
2018-10-23	5867-017-1045	0.0260 ppb
2018-10-23	5867-021-1140	0.0850 ppb
2018-10-23	5867-023-1225	0.122 ppb
2018-11-08	5806-023-0810	0.0680 ppb
2018-11-27	5867-007-1135	0.102 ppb
2018-11-27	5867-008-1110	0.220 ppb
2018-11-27	5867-016-1020	ND
2018-11-27	5867-017-1055	0.0260 ppb
2018-11-27	5867-021-1035	0.0980 ppb
2018-11-27	5867-023-0930	0.1000 ppb
2018-12-18	5867-007-1115	0.0970 ppb
2018-12-18	5867-008-1030	0.148 ppb
2018-12-18	5867-016-1010	ND
2018-12-18	5867-017-1050	0.0250 ppb
2018-12-18	5867-021-1150	0.0430 ppb
2018-12-18	5867-023-1230	0.124 ppb
2019-01-23	5806-007-0945	0.0170 ppb
2019-01-23	5806-008-1055	0.0790 ppb
2019-01-23	5806-017-1020	0.0480 ppb
2019-01-23	5806-021-1130	ND
2019-01-23	5806-023-0850	0.0730 ppb
2019-01-29	5867-007-1200	0.0470 ppb
2019-01-29	5867-008-1140	0.0940 ppb
2019-01-29	5867-016-1105	ND
2019-01-29	5867-017-1240	0.0160 ppb
2019-01-29	5867-021-1225	ND
2019-01-29	5867-023-1320	0.0940 ppb
2019-02-26	5867-007-1130	0.0820 ppb
2019-02-26	5867-008-1235	0.222 ppb
2019-02-26	5867-014-1125	ND
2019-02-26	5867-016-1340	ND
2019-02-26	5867-017-1220	0.0140 ppb
2019-02-26	5867-021-1350	ND
2019-02-26	5867-023-1410	0.143 ppb
2019-03-26	5867-007-1120	0.0980 ppb
2019-03-26	5867-008-1035	0.158 ppb
2019-03-26	5867-017-1150	0.0290 ppb
2019-03-26	5867-021-1020	0.0640 ppb
2019-03-26	5867-023-1000	0.131 ppb
2019-03-27	5867-016-1040	ND
2019-04-23	5867-007-1415	0.0900 ppb
2019-04-23	5867-016-1200	ND
2019-04-23	5867-017-1325	0.0360 ppb
2019-04-23	5867-021-1225	0.104 ppb
2019-04-23	5867-023-1505	0.220 ppb
2019-04-25	5867-008-0600	0.350 ppb
2019-05-21	5867-007-1105	0.0870 ppb
2019-05-21	5867-008-1155	0.195 ppb
2019-05-21	5867-016-1310	ND
2019-05-21	5867-017-1135	0.0300 ppb
2019-05-21	5867-021-1035	0.0990 ppb
2019-05-21	5867-023-1320	0.229 ppb
2019-07-24	5867-007-1140	0.0810 ppb
2019-07-24	5867-008-1115	0.122 ppb
2019-07-24	5867-016-0940	ND
2019-07-24	5867-017-1100	0.0320 ppb
2019-07-24	5867-021-1020	0.0920 ppb
2019-07-24	5867-021-1030	0.0880 ppb
2019-07-24	5867-023-1345	0.129 ppb
2019-08-21	5867-007-0850	0.0750 ppb
2019-08-21	5867-008-0920	0.0270 ppb
2019-08-21	5867-017-1144	0.0210 ppb
2019-08-21	5867-021-0955	0.0740 ppb
2019-08-21	5867-023-1050	0.0990 ppb
2019-08-28	5867-016-1015	ND
2019-09-24	5867-007-0825	0.0760 ppb
2019-09-24	5867-008-1200	0.120 ppb
2019-09-24	5867-014-0825	ND
2019-09-24	5867-016-0900	ND
2019-09-24	5867-017-1148	0.0200 ppb
2019-09-24	5867-021-1015	0.0700 ppb
2019-09-24	5867-022-1015	ND
2019-09-24	5867-023-1100	0.136 ppb
2019-09-24	5867-024-1100	ND
2019-10-02	5867-007-0800	0.0800 ppb
2019-10-02	5867-008-0815	0.152 ppb
2019-10-02	5867-014-0800	ND
2019-10-02	5867-016-1035	ND
2019-10-02	5867-017-0835	0.0260 ppb
2019-10-02	5867-021-0900	0.0790 ppb
2019-10-02	5867-022-0900	ND
2019-10-02	5867-023-0935	0.145 ppb
2019-10-02	5867-024-0935	ND
2019-11-06	5867-007-0808	0.0780 ppb
2019-11-06	5867-008-1030	0.110 ppb
2019-11-06	5867-014-0808	ND
2019-11-06	5867-016-1000	ND
2019-11-06	5867-017-0753	0.0200 ppb
2019-11-06	5867-023-0920	0.0990 ppb
2019-11-06	5867-024-0920	ND
2019-12-04	5867-007-0945	0.0300 ppb
2019-12-04	5867-008-1008	0.0870 ppb
2019-12-04	5867-014-0924	ND
2019-12-04	5867-016-1131	ND
2019-12-04	5867-017-0924	0.01000 ppb
2019-12-04	5867-023-0845	0.133 ppb
2019-12-04	5867-024-0845	ND

* Sample result is taken from the system's CCR report.