Bromodichloromethane
Avon Water Company
Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 0.559 ppb | 48 | 18 | ND - 3.40 ppb |
2015 | 0.442 ppb | 48 | 17 | ND - 2.90 ppb |
2016 | 0.644 ppb | 48 | 20 | ND - 2.70 ppb |
2017 | 0.656 ppb | 48 | 16 | ND - 5.00 ppb |
2018 | 1.08 ppb | 26 | 14 | ND - 2.90 ppb |
2019 | 1.53 ppb | 24 | 15 | ND - 5.10 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromodichloromethane was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-16 | E401A25-1TTHM | 0.950 ppb |
2014-01-16 | E401A25-2TTHM | 1.10 ppb |
2014-01-16 | E401A25-3TTHM | 1.30 ppb |
2014-01-16 | E401A25-4TTHM | 1.70 ppb |
2014-01-16 | E402153-8VOC | ND |
2014-02-04 | E402153-1VOC | ND |
2014-02-04 | E402153-2VOC | ND |
2014-02-04 | E402153-3VOC | ND |
2014-02-04 | E402153-4VOC | 0.980 ppb |
2014-02-04 | E402153-5VOC | ND |
2014-02-04 | E402153-6VOC | ND |
2014-02-04 | E402153-7VOC | ND |
2014-04-15 | E404E43-1TTHM | 1.10 ppb |
2014-04-15 | E404E43-2TTHM | 1.40 ppb |
2014-04-15 | E404E43-3TTHM | 1.20 ppb |
2014-04-15 | E404E43-4TTHM | 0.930 ppb |
2014-05-14 | E405C29-1VOC | ND |
2014-05-14 | E405C29-2VOC | ND |
2014-05-14 | E405C29-3VOC | ND |
2014-05-14 | E405C29-4VOC | ND |
2014-05-14 | E405C29-5VOC | 0.840 ppb |
2014-05-14 | E405C29-6VOC | ND |
2014-05-14 | E405C29-7VOC | ND |
2014-05-14 | E405C29-8VOC | ND |
2014-07-14 | E407C09-1GE | 1.30 ppb |
2014-07-14 | E407C09-2GE | 1.40 ppb |
2014-07-14 | E407C09-3GE | 3.40 ppb |
2014-07-14 | E407C09-4GE | 0.910 ppb |
2014-08-13 | E408C10-1VOC | ND |
2014-08-13 | E408C10-2VOC | ND |
2014-08-13 | E408C10-3VOC | ND |
2014-08-13 | E408C10-4VOC | ND |
2014-08-13 | E408C10-5VOC | ND |
2014-08-13 | E408C10-6VOC | ND |
2014-08-13 | E408C10-7VOC | ND |
2014-08-13 | E408C10-8VOC | ND |
2014-10-16 | E410F41-1TTHM | 2.00 ppb |
2014-10-16 | E410F41-2TTHM | 1.90 ppb |
2014-10-16 | E410F41-3TTHM | 2.50 ppb |
2014-10-16 | E410F41-4TTHM | 1.90 ppb |
2014-11-21 | E411H72-1VOC | ND |
2014-11-21 | E411H72-2VOC | ND |
2014-11-21 | E411H72-3VOC | ND |
2014-11-21 | E411H72-4VOC | ND |
2014-11-21 | E411H72-6VOC | ND |
2014-11-21 | E411H72-7VOC | ND |
2014-11-21 | E411H72-8VOC | ND |
2014-12-08 | E412718-2VOC | ND |
2015-01-15 | E501A25-3TTHM | 0.980 ppb |
2015-01-15 | E501A25-1TTHM | 0.800 ppb |
2015-01-15 | E501A25-2TTHM | 0.940 ppb |
2015-01-15 | E501A25-4TTHM | 0.920 ppb |
2015-02-18 | E502D21-4VOC | ND |
2015-02-19 | E502D21-2VOC | ND |
2015-02-19 | E502D21-3VOC | ND |
2015-02-19 | E502D21-6VOC | 0.600 ppb |
2015-02-19 | E502D21-7VOC | ND |
2015-02-19 | E502D21-8VOC | ND |
2015-02-19 | E502D21-9VOC | ND |
2015-02-20 | E502D21-1VOC | ND |
2015-04-14 | E504E21-1TTHM | 1.20 ppb |
2015-04-14 | E504E21-4TTHM | 0.550 ppb |
2015-04-14 | E504E21-2TTHM | 0.980 ppb |
2015-04-14 | E504E21-3TTHM | 0.720 ppb |
2015-06-10 | E506B81-1VOC | ND |
2015-06-10 | E506B81-2VOC | ND |
2015-06-10 | E506B81-3VOC | ND |
2015-06-10 | E506B81-4VOC | ND |
2015-06-10 | E506B81-5VOC | ND |
2015-06-10 | E506B81-6VOC | ND |
2015-06-10 | E506B81-7VOC | ND |
2015-06-10 | E506B81-8VOC | ND |
2015-07-15 | E507G94-1TTHM | 0.730 ppb |
2015-07-15 | E507G94-4TTHM | 0.580 ppb |
2015-07-15 | E507G94-3TTHM | 2.90 ppb |
2015-07-15 | E507G94-2TTHM | 1.40 ppb |
2015-08-28 | E508Y67-1VOC | ND |
2015-08-28 | E508Y67-2VOC | ND |
2015-08-28 | E508Y67-3VOC | ND |
2015-08-28 | E508Y67-4VOC | ND |
2015-08-28 | E508Y67-5VOC | ND |
2015-08-28 | E508Y67-6VOC | ND |
2015-08-28 | E508Y67-7VOC | ND |
2015-08-28 | E508Y67-8VOC | ND |
2015-10-15 | E510E91-4TTHM | ND |
2015-10-15 | E510E91-3TTHM | 2.10 ppb |
2015-10-15 | E510E91-2TTHM | 2.70 ppb |
2015-10-15 | E510E91-1TTHM | 2.00 ppb |
2015-11-24 | E511O25-1VOC | ND |
2015-11-24 | E511O25-2VOC | ND |
2015-11-24 | E511O25-3VOC | ND |
2015-11-24 | E511O25-4VOC | ND |
2015-11-24 | E511O25-5VOC | 1.10 ppb |
2015-11-24 | E511O25-6VOC | ND |
2015-11-24 | E511O25-7VOC | ND |
2015-11-24 | E511O25-8VOC | ND |
2016-01-15 | E601D17-1TTHM | 1.70 ppb |
2016-01-15 | E601D17-2TTHM | 1.40 ppb |
2016-01-15 | E601D17-3TTHM | 1.70 ppb |
2016-01-15 | E601D17-4TTHM | 0.730 ppb |
2016-02-18 | E602H93-1VOC | ND |
2016-02-18 | E602H93-2VOC | ND |
2016-02-18 | E602H93-3VOC | ND |
2016-02-18 | E602H93-4VOC | ND |
2016-02-18 | E602H93-5VOC | 0.860 ppb |
2016-02-18 | E602H93-6VOC | ND |
2016-02-18 | E602H93-7VOC | ND |
2016-02-18 | E602H93-8VOC | ND |
2016-04-19 | E605079-1TTHM | 1.70 ppb |
2016-04-19 | E605079-2TTHM | 1.50 ppb |
2016-04-19 | E605079-3TTHM | 2.00 ppb |
2016-04-19 | E605079-4TTHM | 1.60 ppb |
2016-05-19 | E605N95-1VOC | ND |
2016-05-19 | E605N95-2VOC | ND |
2016-05-19 | E605N95-3VOC | ND |
2016-05-19 | E605N95-4VOC | ND |
2016-05-19 | E605N95-5VOC | 1.20 ppb |
2016-05-19 | E605N95-6VOC | ND |
2016-05-19 | E605N95-7VOC | ND |
2016-05-19 | E605N95-8VOC | ND |
2016-07-13 | E607C00-1TTHM | 1.80 ppb |
2016-07-13 | E607C00-2TTHM | 1.60 ppb |
2016-07-13 | E607C00-3TTHM | 2.60 ppb |
2016-07-13 | E607C00-4TTHM | 0.600 ppb |
2016-08-05 | E608889-1VOC | ND |
2016-08-05 | E608889-2VOC | ND |
2016-08-05 | E608889-3VOC | ND |
2016-08-05 | E608889-4VOC | ND |
2016-08-05 | E608889-5VOC | ND |
2016-08-05 | E608889-6VOC | ND |
2016-08-05 | E608889-7VOC | ND |
2016-08-05 | E608889-8VOC | ND |
2016-10-14 | E610G73-1TTHM | 2.00 ppb |
2016-10-14 | E610G73-2TTHM | 2.20 ppb |
2016-10-14 | E610G73-3TTHM | 2.70 ppb |
2016-10-14 | E610G73-4TTHM | 1.20 ppb |
2016-11-21 | E611M57-1VOC | ND |
2016-11-21 | E611M57-2VOC | ND |
2016-11-21 | E611M57-3VOC | ND |
2016-11-21 | E611M57-4VOC | 0.610 ppb |
2016-11-21 | E611M57-5VOC | 1.20 ppb |
2016-11-21 | E611M57-6VOC | ND |
2016-11-21 | E611M57-7VOC | ND |
2016-11-21 | E611M57-8VOC | ND |
2017-01-13 | E701C67-1TTHM | 1.60 ppb |
2017-01-13 | E701C67-2TTHM | 1.20 ppb |
2017-01-13 | E701C67-3TTHM | 1.000 ppb |
2017-01-13 | E701C67-4TTHM | 1.40 ppb |
2017-02-24 | E702M07-1VOC | ND |
2017-02-24 | E702M07-2VOC | ND |
2017-02-24 | E702M07-3VOC | ND |
2017-02-24 | E702M07-4VOC | ND |
2017-02-24 | E702M07-5VOC | ND |
2017-02-24 | E702M07-6VOC | ND |
2017-02-24 | E702M07-7VOC | ND |
2017-02-24 | E702M07-8VOC | ND |
2017-04-13 | D7D1107-01VOC | 1.40 ppb |
2017-04-13 | D7D1107-02VOC | 2.20 ppb |
2017-04-13 | D7D1107-03VOC | 1.40 ppb |
2017-04-13 | D7D1107-04VOC | 1.70 ppb |
2017-06-01 | D7F0171-01VOC | ND |
2017-06-01 | D7F0171-02VOC | ND |
2017-06-01 | D7F0171-03VOC | ND |
2017-06-01 | D7F0171-04VOC | ND |
2017-06-01 | D7F0171-05VOC | ND |
2017-06-01 | D7F0171-06VOC | ND |
2017-06-01 | D7F0171-07VOC | ND |
2017-06-01 | D7F0171-08VOC | ND |
2017-07-14 | D7G1331-01VOC | 2.20 ppb |
2017-07-14 | D7G1331-02VOC | 5.00 ppb |
2017-07-14 | D7G1331-03VOC | 2.80 ppb |
2017-07-14 | D7G1331-04VOC | 1.000 ppb |
2017-08-29 | D7H3264-01VOC | ND |
2017-08-29 | D7H3264-02VOC | ND |
2017-08-29 | D7H3264-03VOC | ND |
2017-08-29 | D7H3264-04VOC | ND |
2017-08-29 | D7H3264-05VOC | ND |
2017-08-29 | D7H3264-06VOC | ND |
2017-08-29 | D7H3264-07VOC | ND |
2017-08-29 | D7H3264-08VOC | ND |
2017-10-13 | D7J1362-01VOC | 2.90 ppb |
2017-10-13 | D7J1362-02VOC | 2.40 ppb |
2017-10-13 | D7J1362-03VOC | 2.00 ppb |
2017-10-13 | D7J1362-04VOC | 1.30 ppb |
2017-11-28 | D7K2247-02VOC | ND |
2017-11-28 | D7K2247-03VOC | ND |
2017-11-28 | D7K2247-04VOC | ND |
2017-11-28 | D7K2247-05VOC | ND |
2017-11-28 | D7K2247-06VOC | ND |
2017-11-28 | D7K2247-07VOC | ND |
2017-11-28 | D7K2247-08VOC | ND |
2017-11-28 | D7K2247-01VOCR | ND |
2018-01-24 | D8A1669-01VOC | 1.50 ppb |
2018-01-24 | D8A1669-02VOC | 1.30 ppb |
2018-01-24 | D8A1669-03VOC | 1.70 ppb |
2018-01-24 | D8A1669-04VOC | 0.900 ppb |
2018-03-05 | D8C0238-02VOC | ND |
2018-03-05 | D8C0238-03VOC | ND |
2018-03-05 | D8C0238-04VOC | ND |
2018-03-05 | D8C0238-05VOC | ND |
2018-03-05 | D8C0238-06VOC | ND |
2018-03-05 | D8C0238-07VOC | ND |
2018-03-05 | D8C0238-08VOC | ND |
2018-04-25 | D8D2151-08VOC | ND |
2018-04-25 | D8D2151-09VOC | 2.60 ppb |
2018-04-25 | D8D2151-10VOC | 1.60 ppb |
2018-04-25 | D8D2151-11VOC | 2.40 ppb |
2018-04-25 | D8D2151-07VOC | ND |
2018-07-26 | CA98743 | ND |
2018-07-26 | CA98744 | 2.60 ppb |
2018-07-26 | CA98745 | 0.990 ppb |
2018-07-26 | CA98746 | 2.50 ppb |
2018-07-26 | CA98747 | ND |
2018-10-09 | DBP 200508664 | 2.40 ppb |
2018-10-09 | DBP 200508665 | 2.20 ppb |
2018-10-09 | DBP 200508676 | 2.40 ppb |
2018-10-09 | DBP 200508678 | 2.90 ppb |
2018-10-09 | VOC1 200508699 | ND |
2019-01-08 | DBP 200518131 | 1.40 ppb |
2019-01-08 | DBP 200518132 | ND |
2019-01-08 | DBP 200518133 | 1.20 ppb |
2019-01-08 | DBP 200518135 | 1.000 ppb |
2019-01-29 | VOC1 200519992 | ND |
2019-01-29 | VOC1 200519993 | ND |
2019-01-29 | VOC1 200519991 | ND |
2019-01-29 | VOC1 200519996 | ND |
2019-01-29 | VOC1 200519994 | ND |
2019-01-29 | VOC1 200519995 | ND |
2019-04-11 | DBP 200528267 | 1.70 ppb |
2019-04-11 | DBP 200528268 | 3.30 ppb |
2019-04-11 | DBP 200528269 | 1.90 ppb |
2019-04-11 | DBP 200528270 | 2.20 ppb |
2019-04-16 | VOC1 200528742 | ND |
2019-07-02 | DBP 200538992 | 0.800 ppb |
2019-07-02 | DBP 200538993 | 5.10 ppb |
2019-07-02 | DBP 200538995 | 2.90 ppb |
2019-07-02 | DBP 200538996 | 4.00 ppb |
2019-08-13 | VOC1 200544842 | ND |
2019-10-03 | DBP 200551429 | 0.800 ppb |
2019-10-03 | DBP 200551430 | 5.00 ppb |
2019-10-03 | DBP 200551431 | 2.40 ppb |
2019-10-03 | DBP 200551432 | 2.90 ppb |