Know Your Environment. Protect Your Health.

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

City Of Waterford

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.

 

155

Samples

0

Samples exceeding legal limit (MCL)

121

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0503 ppb2914ND - 0.130 ppb
20190.0524 ppb2513ND - 0.150 ppb
20200.0764 ppb2522ND - 0.150 ppb
20210.0971 ppb2826ND - 0.200 ppb
20220.108 ppb24240.0820 ppb - 0.130 ppb
20230.100 ppb2422ND - 0.170 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
2018-01-03CA5010006_012_012-201801031035ND
2018-01-03CA5010006_006_006-2018010310300.120 ppb
2018-01-17CA5010006_006_006-2018011712050.110 ppb
2018-01-17CA5010006_012_012-201801171240ND
2018-02-21CA5010006_006_006-2018022110370.1000 ppb
2018-02-21CA5010006_012_012-201802211046ND
2018-03-22CA5010006_012_012-201803221009ND
2018-03-22CA5010006_006_006-2018032209590.130 ppb
2018-04-18CA5010006_006_006-2018041808150.120 ppb
2018-04-18CA5010006_012_012-201804180829ND
2018-05-16CA5010006_012_012-201805160822ND
2018-05-16CA5010006_006_006-2018051608130.0900 ppb
2018-06-20CA5010006_006_006-2018062011060.120 ppb
2018-06-20CA5010006_012_012-201806201125ND
2018-07-18CA5010006_006_006-2018071813130.120 ppb
2018-07-18CA5010006_001_001-2018071812400.0300 ppb
2018-07-18CA5010006_004_004-201807181140ND
2018-07-18CA5010006_005_005-201807181045ND
2018-07-18CA5010006_012_012-201807181332ND
2018-08-15CA5010006_006_006-2018081509080.0800 ppb
2018-08-15CA5010006_012_012-201808150921ND
2018-09-18CA5010006_006_006-2018091808490.1000 ppb
2018-09-18CA5010006_012_012-201809180912ND
2018-10-17CA5010006_006_006-2018101710150.130 ppb
2018-10-17CA5010006_012_012-201810171025ND
2018-11-19CA5010006_012_012-201811191150ND
2018-11-19CA5010006_006_006-2018111911420.110 ppb
2018-12-19CA5010006_006_006-2018121911400.1000 ppb
2018-12-19CA5010006_012_012-201812191150ND
2019-01-23CA5010006_012_012-201901230830ND
2019-01-23CA5010006_006_006-2019012308250.110 ppb
2019-02-20CA5010006_006_006-2019022011000.120 ppb
2019-02-20CA5010006_012_012-201902201110ND
2019-03-18CA5010006_012_012-201903181035ND
2019-03-18CA5010006_006_006-2019031810300.1000 ppb
2019-04-17CA5010006_006_006-2019041710000.0900 ppb
2019-04-17CA5010006_012_012-201904171010ND
2019-05-15CA5010006_006_006-2019051508350.0800 ppb
2019-05-15CA5010006_012_012-201905150845ND
2019-06-19CA5010006_012_012-201906190925ND
2019-06-19CA5010006_006_006-2019061909150.0900 ppb
2019-07-17CA5010006_012_012-201907171037ND
2019-07-17CA5010006_006_006-2019071710270.0900 ppb
2019-08-20CA5010006_012_012-201908200825ND
2019-08-20CA5010006_006_006-2019082008200.1000 ppb
2019-09-18CA5010006_006_006-2019091810500.0900 ppb
2019-09-18CA5010006_012_012-201909181055ND
2019-09-18CA5010006_005_005-201909180845ND
2019-10-15CA5010006_006_006-2019101511150.120 ppb
2019-10-15CA5010006_012_012-201910151120ND
2019-11-18CA5010006_006_006-2019111809500.150 ppb
2019-11-18CA5010006_012_012-201911181005ND
2019-12-18CA5010006_012_012-2019121808500.0200 ppb
2019-12-18CA5010006_006_006-2019121808300.150 ppb
2020-01-15CA5010006_006_006-2020011509200.110 ppb
2020-01-15CA5010006_012_012-202001150925ND
2020-02-19CA5010006_006_006-2020021908350.140 ppb
2020-02-19CA5010006_012_012-2020021908500.01000 ppb
2020-03-18CA5010006_006_006-2020031810250.150 ppb
2020-03-18CA5010006_012_012-2020031810350.01000 ppb
2020-04-15CA5010006_006_006-2020041510350.1000 ppb
2020-04-15CA5010006_012_012-202004151045ND
2020-05-20CA5010006_006_006-2020052008550.1000 ppb
2020-05-20CA5010006_012_012-2020052009100.0300 ppb
2020-06-17CA5010006_006_006-2020061711000.120 ppb
2020-06-17CA5010006_012_012-2020061711100.0300 ppb
2020-07-15CA5010006_012_012-2020071509350.0400 ppb
2020-07-15CA5010006_005_005-202007151015ND
2020-07-15CA5010006_006_006-2020071509250.120 ppb
2020-08-20CA5010006_006_006-2020082009200.110 ppb
2020-08-20CA5010006_012_012-2020082009350.110 ppb
2020-09-16CA5010006_006_006-2020091611300.120 ppb
2020-09-16CA5010006_012_012-2020091611500.0400 ppb
2020-10-20CA5010006_006_006-2020102011000.120 ppb
2020-10-20CA5010006_012_012-2020102011150.0600 ppb
2020-11-18CA5010006_012_012-2020111811550.0600 ppb
2020-11-18CA5010006_006_006-2020111811350.120 ppb
2020-12-16CA5010006_012_012-2020121610000.0800 ppb
2020-12-16CA5010006_006_006-2020121609500.130 ppb
2021-01-20CA5010006_006_006-2021012009000.110 ppb
2021-01-20CA5010006_012_012-2021012009150.0800 ppb
2021-02-17CA5010006_006_006-2021021709200.110 ppb
2021-02-17CA5010006_012_012-20210217NUL0.0700 ppb
2021-03-17CA5010006_012_012-2021031711330.0700 ppb
2021-03-17CA5010006_006_006-2021031711220.1000 ppb
2021-04-21CA5010006_012_012-2021042110000.0800 ppb
2021-04-21CA5010006_006_006-2021042109550.110 ppb
2021-05-19CA5010006_006_006-2021051909450.120 ppb
2021-05-19CA5010006_012_012-2021051909450.0900 ppb
2021-06-16CA5010006_006_006-2021061612250.140 ppb
2021-06-16CA5010006_012_012-2021061612200.1000 ppb
2021-07-20CA5010006_004_004-202107201140ND
2021-07-20CA5010006_006_006-2021072013150.200 ppb
2021-07-20CA5010006_001_001-2021072012500.0400 ppb
2021-07-20CA5010006_005_005-202107201110ND
2021-07-20CA5010006_012_012-2021072013250.190 ppb
2021-08-18CA5010006_012_012-2021081811340.110 ppb
2021-08-18CA5010006_006_006-2021081812050.110 ppb
2021-09-21CA5010006_012_012-2021092111120.110 ppb
2021-09-21CA5010006_006_006-2021092110560.110 ppb
2021-10-19CA5010006_012_012-2021101909230.120 ppb
2021-10-19CA5010006_006_006-2021101909250.110 ppb
2021-11-16CA5010006_006_006-2021111611250.1000 ppb
2021-11-16CA5010006_012_012-2021111611350.110 ppb
2021-12-21CA5010006_001_001-2021122108550.01000 ppb
2021-12-21CA5010006_006_006-2021122109350.110 ppb
2021-12-21CA5010006_012_012-2021122109450.110 ppb
2022-01-19CA5010006_012_012-2022011910580.120 ppb
2022-01-19CA5010006_006_006-2022011910500.110 ppb
2022-02-15CA5010006_006_006-2022021512590.1000 ppb
2022-02-15CA5010006_012_012-2022021513060.120 ppb
2022-03-01CA5010006_006_006-2022030110250.1000 ppb
2022-03-01CA5010006_012_012-2022030110280.110 ppb
2022-04-06CA5010006_006_006-2022040612410.110 ppb
2022-04-06CA5010006_012_012-2022040612460.120 ppb
2022-05-03CA5010006_006_006-2022050312380.1000 ppb
2022-05-03CA5010006_012_012-2022050312410.0900 ppb
2022-06-07CA5010006_006_006-2022060714170.110 ppb
2022-06-07CA5010006_012_012-2022060714220.120 ppb
2022-07-05CA5010006_006_006-2022070512270.110 ppb
2022-07-05CA5010006_012_012-2022070512290.120 ppb
2022-08-04CA5010006_012_012-2022080413400.130 ppb
2022-08-04CA5010006_006_006-2022080413350.120 ppb
2022-09-06CA5010006_006_006-2022090610400.110 ppb
2022-09-06CA5010006_012_012-2022090610450.110 ppb
2022-10-04CA5010006_006_006-2022100413000.1000 ppb
2022-10-04CA5010006_012_012-2022100413100.120 ppb
2022-11-01CA5010006_006_006-2022110108350.0900 ppb
2022-11-01CA5010006_012_012-2022110108450.0980 ppb
2022-12-06CA5010006_006_006-2022120609050.0820 ppb
2022-12-06CA5010006_012_012-2022120609100.0890 ppb
2023-01-03CA5010006_006_006-2023010308300.130 ppb
2023-01-03CA5010006_012_012-2023010308400.110 ppb
2023-02-07CA5010006_006_006-2023020709460.140 ppb
2023-02-07CA5010006_012_012-2023020710050.170 ppb
2023-03-07CA5010006_006_006-2023030711200.0940 ppb
2023-03-07CA5010006_012_012-2023030711250.0760 ppb
2023-04-04CA5010006_006_006-2023040409100.110 ppb
2023-04-04CA5010006_012_012-2023040409200.110 ppb
2023-05-02CA5010006_006_006-2023050209050.0980 ppb
2023-05-02CA5010006_012_012-2023050209100.1000 ppb
2023-05-17CA5010006_005_005-202305170950ND
2023-05-17CA5010006_001_001-202305171010ND
2023-06-06CA5010006_006_006-2023060610160.130 ppb
2023-06-06CA5010006_012_012-2023060610230.0610 ppb
2023-07-05CA5010006_006_006-2023070508260.0680 ppb
2023-08-15CA5010006_012_012-2023081508290.110 ppb
2023-09-12CA5010006_006_006-2023091207030.0920 ppb
2023-09-12CA5010006_012_012-2023091207070.1000 ppb
2023-10-04CA5010006_006_006-2023100409350.120 ppb
2023-10-04CA5010006_012_012-2023100410000.110 ppb
2023-11-07CA5010006_006_006-2023110710270.140 ppb
2023-11-07CA5010006_012_012-2023110710330.140 ppb
2023-12-12CA5010006_006_006-2023121208540.0870 ppb
2023-12-12CA5010006_012_012-2023121208590.110 ppb