Know Your Environment. Protect Your Health.

1,2-Dibromo-3-chloropropane (DBCP)

Tully Mobile Estates

1,2-Dibromo-3-chloropropane is a pesticide fumigant banned in the 1970s after scientists discovered it caused sterility in men who worked with it. The chemical causes cancer in laboratory animals and may cause cancer in people. Read More.

This pesticide breaks down very slowly in the environment. It remains in groundwater and drinking water wells in the agricultural areas where it was sprayed in the past. Men exposed to this pesticide in the fields suffered from infertility and testicular damage, and tended to have fewer male babies.

 

207

Samples

38

Samples exceeding legal limit (MCL)

66

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0826 ppb3512ND - 0.290 ppb
20190.0961 ppb3615ND - 0.280 ppb
20200.0728 ppb3612ND - 0.250 ppb
20210.0667 ppb3612ND - 0.220 ppb
20220.0628 ppb3612ND - 0.240 ppb
20230.0193 ppb283ND - 0.200 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.0017 ppb

The EWG Health Guideline of 0.0017 ppb for 1,2-dibromo-3-chloropropane 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.

EPA Maximum Contaminant
Level (MCL): 0.2 ppb

The legal limit for 1,2-dibromo-3-chloropropane, established in 1991, was based on analytical detection limits at the time that the standard was set. This limit does not fully protect against the risk of cancer due to 1,2-dibromo-3-chloropropane exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-17CA5000067_004_004-201801171441ND
2018-01-17CA5000067_DST_005-201801171434ND
2018-02-20CA5000067_004_004-201802201313ND
2018-02-20CA5000067_001_001-2018022013200.230 ppb
2018-02-20CA5000067_DST_005-201802201308ND
2018-03-13CA5000067_DST_005-201803131224ND
2018-03-13CA5000067_004_004-201803131215ND
2018-03-13CA5000067_001_001-2018031312210.260 ppb
2018-04-09CA5000067_004_004-201804090830ND
2018-04-09CA5000067_001_001-2018040908380.290 ppb
2018-04-09CA5000067_DST_005-201804090842ND
2018-05-22CA5000067_004_004-201805220850ND
2018-05-22CA5000067_001_001-2018052208560.260 ppb
2018-05-22CA5000067_DST_005-201805220912ND
2018-06-27CA5000067_001_001-2018062709200.240 ppb
2018-06-27CA5000067_004_004-201806270914ND
2018-06-27CA5000067_DST_005-201806270905ND
2018-07-18CA5000067_004_004-201807180941ND
2018-07-18CA5000067_001_001-2018071809390.270 ppb
2018-07-18CA5000067_DST_005-201807180937ND
2018-08-06CA5000067_DST_005-201808061216ND
2018-08-06CA5000067_004_004-201808061212ND
2018-08-06CA5000067_001_001-2018080612020.240 ppb
2018-09-28CA5000067_001_001-2018092809000.210 ppb
2018-09-28CA5000067_004_004-2018092808480.140 ppb
2018-09-28CA5000067_DST_005-201809280853ND
2018-10-24CA5000067_DST_005-201810241020ND
2018-10-24CA5000067_001_001-2018102410290.210 ppb
2018-10-24CA5000067_004_004-201810241033ND
2018-11-20CA5000067_004_004-201811201017ND
2018-11-20CA5000067_DST_005-201811201018ND
2018-11-20CA5000067_001_001-2018112010160.270 ppb
2018-12-13CA5000067_004_004-201812131201ND
2018-12-13CA5000067_DST_005-201812131200ND
2018-12-13CA5000067_001_001-2018121312030.270 ppb
2019-01-16CA5000067_DST_005-201901161028ND
2019-01-16CA5000067_001_001-2019011610260.260 ppb
2019-01-16CA5000067_004_004-201901161030ND
2019-02-07CA5000067_004_004-201902071502ND
2019-02-07CA5000067_DST_005-201902071503ND
2019-02-07CA5000067_001_001-2019020715010.270 ppb
2019-03-19CA5000067_001_001-2019031911010.280 ppb
2019-03-19CA5000067_DST_005-201903191107ND
2019-03-19CA5000067_004_004-201903191104ND
2019-04-17CA5000067_DST_005-201904171445ND
2019-04-17CA5000067_004_004-2019041714500.170 ppb
2019-04-17CA5000067_001_001-2019041715000.210 ppb
2019-05-22CA5000067_DST_005-201905221425ND
2019-05-22CA5000067_001_001-2019052214200.220 ppb
2019-05-22CA5000067_004_004-201905221415ND
2019-06-19CA5000067_004_004-2019061914400.190 ppb
2019-06-19CA5000067_DST_005-201906191440ND
2019-06-19CA5000067_001_001-2019061914400.230 ppb
2019-07-16CA5000067_004_004-2019071611400.190 ppb
2019-07-16CA5000067_001_001-2019071611400.260 ppb
2019-07-16CA5000067_DST_005-201907161140ND
2019-08-27CA5000067_001_001-2019082713350.220 ppb
2019-08-27CA5000067_004_004-201908271335ND
2019-08-27CA5000067_DST_005-201908271335ND
2019-09-09CA5000067_001_001-2019090910350.250 ppb
2019-09-09CA5000067_004_004-201909091035ND
2019-09-09CA5000067_DST_005-201909091035ND
2019-10-23CA5000067_004_004-201910231015ND
2019-10-23CA5000067_001_001-2019102310150.250 ppb
2019-10-23CA5000067_DST_005-201910231015ND
2019-11-05CA5000067_001_001-2019110510200.230 ppb
2019-11-05CA5000067_DST_005-201911051020ND
2019-11-05CA5000067_004_004-201911051020ND
2019-12-04CA5000067_004_004-201912041100ND
2019-12-04CA5000067_001_001-2019120411000.230 ppb
2019-12-04CA5000067_DST_005-201912041100ND
2020-01-07CA5000067_DST_005-202001071105ND
2020-01-07CA5000067_001_001-2020010711050.220 ppb
2020-01-07CA5000067_004_004-202001071105ND
2020-02-19CA5000067_001_001-2020021910300.190 ppb
2020-02-19CA5000067_004_004-202002191030ND
2020-02-19CA5000067_DST_005-202002191030ND
2020-03-11CA5000067_004_004-202003111030ND
2020-03-11CA5000067_DST_005-202003111030ND
2020-03-11CA5000067_001_001-2020031110300.240 ppb
2020-04-07CA5000067_DST_005-202004071045ND
2020-04-07CA5000067_004_004-202004071045ND
2020-04-07CA5000067_001_001-2020040710450.230 ppb
2020-05-05CA5000067_DST_005-202005051010ND
2020-05-05CA5000067_004_004-202005051010ND
2020-05-05CA5000067_001_001-2020050510100.230 ppb
2020-06-02CA5000067_DST_005-202006020950ND
2020-06-02CA5000067_001_001-2020060209500.250 ppb
2020-06-02CA5000067_004_004-202006020950ND
2020-07-07CA5000067_001_001-2020070709250.180 ppb
2020-07-07CA5000067_DST_005-202007070925ND
2020-07-07CA5000067_004_004-202007070925ND
2020-08-12CA5000067_004_004-202008121030ND
2020-08-12CA5000067_001_001-2020081210250.240 ppb
2020-08-12CA5000067_DST_005-202008121040ND
2020-09-16CA5000067_001_001-2020091610250.210 ppb
2020-09-16CA5000067_004_004-202009161035ND
2020-09-16CA5000067_DST_005-202009161040ND
2020-10-15CA5000067_001_001-2020101509300.220 ppb
2020-10-15CA5000067_DST_005-202010150930ND
2020-10-15CA5000067_004_004-202010150930ND
2020-11-11CA5000067_001_001-2020111110500.200 ppb
2020-11-11CA5000067_DST_005-202011111050ND
2020-11-11CA5000067_004_004-202011111050ND
2020-12-07CA5000067_004_004-202012071115ND
2020-12-07CA5000067_001_001-2020120711100.210 ppb
2020-12-07CA5000067_DST_005-202012071120ND
2021-01-20CA5000067_001_001-2021012010200.200 ppb
2021-01-20CA5000067_004_004-202101201020ND
2021-01-20CA5000067_DST_005-202101201020ND
2021-02-10CA5000067_004_004-202102101115ND
2021-02-10CA5000067_DST_005-202102101120ND
2021-02-10CA5000067_001_001-2021021011100.210 ppb
2021-03-10CA5000067_001_001-2021031011350.200 ppb
2021-03-10CA5000067_DST_005-202103101135ND
2021-03-10CA5000067_004_004-202103101135ND
2021-04-27CA5000067_DST_005-202104271340ND
2021-04-27CA5000067_001_001-2021042713200.180 ppb
2021-04-27CA5000067_004_004-202104271330ND
2021-05-19CA5000067_001_001-2021051912250.190 ppb
2021-05-19CA5000067_DST_005-202105191225ND
2021-05-19CA5000067_004_004-202105191225ND
2021-06-22CA5000067_001_001-2021062209350.200 ppb
2021-06-22CA5000067_004_004-202106220945ND
2021-06-22CA5000067_DST_005-202106221000ND
2021-07-19CA5000067_001_001-2021071909400.220 ppb
2021-07-19CA5000067_004_004-202107190945ND
2021-07-19CA5000067_DST_005-202107190950ND
2021-08-17CA5000067_004_004-202108171055ND
2021-08-17CA5000067_001_001-2021081710500.200 ppb
2021-08-17CA5000067_DST_005-202108171105ND
2021-09-13CA5000067_001_001-2021091309200.220 ppb
2021-09-13CA5000067_004_004-202109130930ND
2021-09-13CA5000067_DST_005-202109130940ND
2021-10-26CA5000067_004_004-202110261015ND
2021-10-26CA5000067_001_001-2021102610100.180 ppb
2021-10-26CA5000067_DST_005-202110261025ND
2021-11-09CA5000067_004_004-202111091000ND
2021-11-09CA5000067_DST_005-202111091010ND
2021-11-09CA5000067_001_001-2021110909500.210 ppb
2021-12-22CA5000067_001_001-2021122212180.190 ppb
2021-12-22CA5000067_004_004-202112221223ND
2021-12-22CA5000067_DST_005-202112221230ND
2022-01-25CA5000067_004_004-202201250930ND
2022-01-25CA5000067_001_001-2022012509200.200 ppb
2022-01-25CA5000067_DST_005-202201250935ND
2022-02-15CA5000067_DST_005-202202151025ND
2022-02-15CA5000067_001_001-2022021509550.190 ppb
2022-02-15CA5000067_004_004-202202151010ND
2022-03-23CA5000067_001_001-2022032311200.220 ppb
2022-03-23CA5000067_004_004-202203231125ND
2022-03-23CA5000067_DST_005-202203231130ND
2022-04-19CA5000067_DST_005-202204190940ND
2022-04-19CA5000067_001_001-2022041909200.150 ppb
2022-04-19CA5000067_004_004-202204190930ND
2022-05-17CA5000067_001_001-2022051710000.200 ppb
2022-05-17CA5000067_004_004-202205171010ND
2022-05-17CA5000067_DST_005-202205171020ND
2022-06-13CA5000067_004_004-202206130950ND
2022-06-13CA5000067_DST_005-202206130955ND
2022-06-13CA5000067_001_001-2022061309450.180 ppb
2022-07-14CA5000067_004_004-202207141200ND
2022-07-14CA5000067_001_001-2022071411550.180 ppb
2022-07-14CA5000067_DST_005-202207141210ND
2022-08-16CA5000067_001_001-2022081609300.240 ppb
2022-08-16CA5000067_004_004-202208160940ND
2022-08-16CA5000067_DST_005-202208160955ND
2022-09-19CA5000067_001_001-2022091910200.180 ppb
2022-09-19CA5000067_DST_005-202209191040ND
2022-09-19CA5000067_004_004-202209191030ND
2022-10-18CA5000067_004_004-202210180930ND
2022-10-18CA5000067_001_001-2022101809250.160 ppb
2022-10-18CA5000067_DST_005-202210180935ND
2022-11-16CA5000067_004_004-202211161345ND
2022-11-16CA5000067_DST_005-202211161355ND
2022-11-16CA5000067_001_001-2022111613350.190 ppb
2022-12-21CA5000067_004_004-202212211345ND
2022-12-21CA5000067_DST_005-202212211255ND
2022-12-21CA5000067_001_001-2022122112450.170 ppb
2023-01-17CA5000067_004_004-202301170930ND
2023-01-17CA5000067_001_001-2023011709200.160 ppb
2023-01-17CA5000067_DST_005-202301170945ND
2023-02-14CA5000067_DST_005-202302141430ND
2023-02-14CA5000067_004_004-202302141430ND
2023-03-15CA5000067_004_004-202303151035ND
2023-03-15CA5000067_DST_005-202303151030ND
2023-04-11CA5000067_DST_005-202304111410ND
2023-04-11CA5000067_004_004-202304111345ND
2023-05-09CA5000067_004_004-202305091000ND
2023-05-09CA5000067_DST_005-202305091000ND
2023-06-20CA5000067_DST_005-202306200950ND
2023-06-20CA5000067_004_004-202306201000ND
2023-06-29CA5000067_001_001-2023062912300.200 ppb
2023-07-18CA5000067_004_004-202307181215ND
2023-07-18CA5000067_DST_005-202307181220ND
2023-08-17CA5000067_004_004-202308170940ND
2023-08-17CA5000067_DST_005-202308170950ND
2023-08-31CA5000067_001_001-2023083110500.180 ppb
2023-09-14CA5000067_004_004-202309140915ND
2023-09-14CA5000067_DST_005-202309140830ND
2023-10-05CA5000067_DST_005-202310051400ND
2023-10-05CA5000067_004_004-202310051415ND
2023-11-02CA5000067_004_004-202311020955ND
2023-11-02CA5000067_DST_005-202311021000ND
2023-11-09CA5000067_001_001-202311091140ND
2023-12-07CA5000067_004_004-202312070900ND
2023-12-07CA5000067_DST_005-202312070840ND