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Bromoform

Columbus Public Water System

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

384

Samples

0

Samples exceeding legal limit (MCL)

271

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.688 ppb6431ND - 3.90 ppb
20190.708 ppb6422ND - 3.30 ppb
20202.06 ppb6459ND - 7.30 ppb
20213.68 ppb64640.800 ppb - 9.00 ppb
20221.58 ppb64640.500 ppb - 4.60 ppb
20231.44 ppb6438ND - 5.50 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-072018-72027-THM1.000 ppb
2018-03-072018-72032-THMND
2018-03-072018-72035-THM1.10 ppb
2018-03-072018-72039-THM3.30 ppb
2018-03-072018-72073-THMND
2018-03-072018-72074-THMND
2018-03-072018-72075-THMND
2018-03-072018-72076-THM1.10 ppb
2018-03-072018-72077-THMND
2018-03-072018-72078-THM0.600 ppb
2018-03-072018-72079-THM1.000 ppb
2018-03-072018-72080-THM0.700 ppb
2018-03-072018-72081-THM0.600 ppb
2018-03-072018-72082-THMND
2018-03-072018-72083-THM0.600 ppb
2018-03-072018-72084-THMND
2018-06-062018-76938-THM1.10 ppb
2018-06-062018-76943-THM2.60 ppb
2018-06-062018-76960-THM0.900 ppb
2018-06-062018-76961-THM1.60 ppb
2018-06-062018-76971-THMND
2018-06-062018-76976-THMND
2018-06-062018-76986-THMND
2018-06-062018-76987-THMND
2018-06-062018-76988-THMND
2018-06-062018-76989-THMND
2018-06-062018-76990-THMND
2018-06-062018-76991-THMND
2018-06-062018-76992-THM1.000 ppb
2018-06-062018-76993-THM0.900 ppb
2018-06-062018-76994-THM1.10 ppb
2018-06-062018-76995-THM1.10 ppb
2018-09-052018-82127-THM0.500 ppb
2018-09-052018-82132-THM0.600 ppb
2018-09-052018-82136-THM2.30 ppb
2018-09-052018-82140-THM3.90 ppb
2018-09-052018-82191-THM0.500 ppb
2018-09-052018-82192-THM2.50 ppb
2018-09-052018-82205-THM2.30 ppb
2018-09-052018-82206-THM2.00 ppb
2018-09-052018-82207-THM2.10 ppb
2018-09-052018-82208-THM2.30 ppb
2018-09-052018-82209-THM0.800 ppb
2018-09-052018-82210-THMND
2018-09-052018-82211-THMND
2018-09-052018-82212-THMND
2018-09-052018-82213-THMND
2018-09-052018-82214-THM0.600 ppb
2018-12-052018-86512-THMND
2018-12-052018-86517-THM2.80 ppb
2018-12-052018-86533-THM0.500 ppb
2018-12-052018-86539-THMND
2018-12-052018-86547-THMND
2018-12-052018-86552-THMND
2018-12-052018-86558-THMND
2018-12-052018-86559-THMND
2018-12-052018-86560-THMND
2018-12-052018-86561-THMND
2018-12-052018-86562-THMND
2018-12-052018-86563-THMND
2018-12-052018-86564-THMND
2018-12-052018-86565-THMND
2018-12-052018-86566-THMND
2018-12-052018-86567-THMND
2019-03-062019-89961-THMND
2019-03-062019-89966-THM1.80 ppb
2019-03-062019-89983-THMND
2019-03-062019-89984-THMND
2019-03-062019-89989-THMND
2019-03-062019-89990-THMND
2019-03-062019-89991-THMND
2019-03-062019-89992-THMND
2019-03-062019-89993-THMND
2019-03-062019-89994-THMND
2019-03-062019-89995-THMND
2019-03-062019-89996-THMND
2019-03-062019-89997-THMND
2019-03-062019-89998-THMND
2019-03-062019-90005-THMND
2019-03-062019-90010-THMND
2019-06-052019-94299-THMND
2019-06-052019-94304-THM2.00 ppb
2019-06-052019-94320-THMND
2019-06-052019-94325-THMND
2019-06-052019-94331-THMND
2019-06-052019-94337-THMND
2019-06-052019-94338-THMND
2019-06-052019-94339-THMND
2019-06-052019-94340-THMND
2019-06-052019-94341-THMND
2019-06-052019-94342-THMND
2019-06-052019-94343-THMND
2019-06-052019-94344-THMND
2019-06-052019-94345-THMND
2019-06-052019-94346-THMND
2019-06-052019-94347-THMND
2019-09-042019-98916-THM1.50 ppb
2019-09-042019-98920-THM2.90 ppb
2019-09-042019-98936-THMND
2019-09-042019-98941-THMND
2019-09-042019-98944-THMND
2019-09-042019-98945-THMND
2019-09-042019-98946-THM1.20 ppb
2019-09-042019-98947-THM1.40 ppb
2019-09-042019-98948-THMND
2019-09-042019-98949-THMND
2019-09-042019-98950-THM1.60 ppb
2019-09-042019-98951-THM1.60 ppb
2019-09-042019-98952-THM1.50 ppb
2019-09-042019-98953-THM1.50 ppb
2019-09-042019-98960-THM1.40 ppb
2019-09-042019-98967-THM1.80 ppb
2019-12-042019-103096-THM3.10 ppb
2019-12-042019-103101-THM3.30 ppb
2019-12-042019-103116-THMND
2019-12-042019-103121-THMND
2019-12-042019-103157-THMND
2019-12-042019-103158-THMND
2019-12-042019-103159-THMND
2019-12-042019-103160-THMND
2019-12-042019-103161-THM1.80 ppb
2019-12-042019-103162-THM1.80 ppb
2019-12-042019-103163-THM2.60 ppb
2019-12-042019-103164-THM2.90 ppb
2019-12-042019-103165-THM3.30 ppb
2019-12-042019-103166-THM2.60 ppb
2019-12-042019-103167-THM2.50 ppb
2019-12-042019-103174-THM1.20 ppb
2020-03-042020-105681-THM1.40 ppb
2020-03-042020-105686-THM3.20 ppb
2020-03-042020-105701-THMND
2020-03-042020-105706-THM1.60 ppb
2020-03-042020-105717-THM0.800 ppb
2020-03-042020-105718-THM1.50 ppb
2020-03-042020-105719-THM1.60 ppb
2020-03-042020-105724-THM1.80 ppb
2020-03-042020-105729-THM0.900 ppb
2020-03-042020-105730-THMND
2020-03-042020-105731-THM1.30 ppb
2020-03-042020-105732-THM0.800 ppb
2020-03-042020-105733-THMND
2020-03-042020-105734-THMND
2020-03-042020-105735-THM1.20 ppb
2020-03-042020-105736-THM1.30 ppb
2020-06-012020-107702-THM1.20 ppb
2020-06-012020-107703-THM1.30 ppb
2020-06-012020-107713-THM1.000 ppb
2020-06-012020-107717-THMND
2020-06-012020-107721-THM0.500 ppb
2020-06-012020-107723-THM0.900 ppb
2020-06-012020-107726-THM0.600 ppb
2020-06-012020-107728-THM0.600 ppb
2020-06-012020-107730-THM0.800 ppb
2020-06-012020-107732-THM1.10 ppb
2020-06-022020-107761-THM1.30 ppb
2020-06-022020-107762-THM1.90 ppb
2020-06-022020-107783-THM1.40 ppb
2020-06-022020-107784-THM2.90 ppb
2020-06-022020-107785-THM1.000 ppb
2020-06-022020-107786-THM1.40 ppb
2020-09-022020-110645-THM6.10 ppb
2020-09-022020-110650-THM4.50 ppb
2020-09-022020-110667-THM4.50 ppb
2020-09-022020-110668-THM5.10 ppb
2020-09-022020-110677-THM3.40 ppb
2020-09-022020-110692-THM7.30 ppb
2020-09-022020-110693-THM4.00 ppb
2020-09-022020-110694-THM4.20 ppb
2020-09-022020-110695-THM1.000 ppb
2020-09-022020-110696-THM2.50 ppb
2020-09-022020-110697-THM2.50 ppb
2020-09-022020-110698-THM2.80 ppb
2020-09-022020-110699-THM1.90 ppb
2020-09-022020-110712-THM7.20 ppb
2020-09-022020-110713-THM4.30 ppb
2020-09-022020-110714-THM3.40 ppb
2020-12-022020-113510-THM1.000 ppb
2020-12-022020-113511-THM1.20 ppb
2020-12-022020-113519-THM0.700 ppb
2020-12-022020-113538-THM1.10 ppb
2020-12-032020-113546-THM1.40 ppb
2020-12-032020-113549-THM0.900 ppb
2020-12-032020-113550-THM1.90 ppb
2020-12-032020-113572-THM2.40 ppb
2020-12-032020-113578-THM2.60 ppb
2020-12-032020-113579-THM2.20 ppb
2020-12-032020-113580-THM2.90 ppb
2020-12-032020-113581-THM2.20 ppb
2020-12-032020-113582-THM4.80 ppb
2020-12-032020-113583-THM3.00 ppb
2020-12-032020-113584-THM2.80 ppb
2020-12-032020-113585-THM0.900 ppb
2021-03-032021-115993-THM5.00 ppb
2021-03-032021-115998-THM7.50 ppb
2021-03-032021-116018-THM2.00 ppb
2021-03-032021-116024-THM4.20 ppb
2021-03-032021-116030-THM9.00 ppb
2021-03-032021-116033-THM1.40 ppb
2021-03-032021-116034-THM1.80 ppb
2021-03-032021-116035-THM4.40 ppb
2021-03-032021-116036-THM3.60 ppb
2021-03-032021-116037-THM3.60 ppb
2021-03-042021-116042-THM1.70 ppb
2021-03-042021-116043-THM3.90 ppb
2021-03-042021-116044-THM3.60 ppb
2021-03-042021-116057-THM5.10 ppb
2021-03-042021-116062-THM4.30 ppb
2021-03-042021-116065-THM4.20 ppb
2021-06-022021-118318-THM2.20 ppb
2021-06-022021-118380-THM6.90 ppb
2021-06-022021-118385-THM7.70 ppb
2021-06-022021-118399-THM5.40 ppb
2021-06-022021-118406-THM4.90 ppb
2021-06-022021-118407-THM3.70 ppb
2021-06-022021-118408-THM4.40 ppb
2021-06-022021-118409-THM5.30 ppb
2021-06-022021-118410-THM5.80 ppb
2021-06-022021-118411-THM6.90 ppb
2021-06-022021-118412-THM4.70 ppb
2021-06-032021-118430-THM6.30 ppb
2021-06-032021-118433-THM4.50 ppb
2021-06-032021-118449-THM4.20 ppb
2021-06-032021-118451-THM6.20 ppb
2021-06-032021-118464-THM7.70 ppb
2021-09-012021-121132-THM5.00 ppb
2021-09-012021-121137-THM6.70 ppb
2021-09-012021-121151-THM1.20 ppb
2021-09-012021-121166-THM4.70 ppb
2021-09-012021-121167-THM3.40 ppb
2021-09-012021-121173-THM4.30 ppb
2021-09-012021-121174-THM3.50 ppb
2021-09-012021-121175-THM2.80 ppb
2021-09-012021-121176-THM2.20 ppb
2021-09-012021-121177-THM2.30 ppb
2021-09-012021-121178-THM1.50 ppb
2021-09-012021-121179-THM1.000 ppb
2021-09-012021-121180-THM2.70 ppb
2021-09-022021-121195-THM2.70 ppb
2021-09-022021-121198-THM2.20 ppb
2021-09-022021-121221-THM2.60 ppb
2021-12-012021-123852-THM1.70 ppb
2021-12-012021-123857-THM4.90 ppb
2021-12-012021-123871-THM1.30 ppb
2021-12-012021-123877-THM2.70 ppb
2021-12-012021-123878-THM2.30 ppb
2021-12-012021-123879-THM2.10 ppb
2021-12-012021-123880-THM2.50 ppb
2021-12-012021-123881-THM1.000 ppb
2021-12-012021-123882-THM0.800 ppb
2021-12-012021-123883-THM2.20 ppb
2021-12-012021-123884-THM1.10 ppb
2021-12-012021-123897-THM1.60 ppb
2021-12-012021-123898-THM2.90 ppb
2021-12-022021-123910-THM2.80 ppb
2021-12-022021-123913-THM2.60 ppb
2021-12-022021-123939-THM1.80 ppb
2022-03-022022-126335-THM1.20 ppb
2022-03-022022-126340-THM2.80 ppb
2022-03-022022-126360-THM2.60 ppb
2022-03-022022-126361-THM1.20 ppb
2022-03-022022-126364-THM0.800 ppb
2022-03-022022-126365-THM0.700 ppb
2022-03-022022-126366-THM1.10 ppb
2022-03-022022-126367-THM1.30 ppb
2022-03-022022-126368-THM1.000 ppb
2022-03-022022-126369-THM1.000 ppb
2022-03-022022-126372-THM1.000 ppb
2022-03-022022-126373-THM1.50 ppb
2022-03-022022-126380-THM0.900 ppb
2022-03-032022-126390-THM1.10 ppb
2022-03-032022-126393-THM0.900 ppb
2022-03-032022-126424-THM2.30 ppb
2022-06-012022-129065-THM0.600 ppb
2022-06-012022-129069-THM4.00 ppb
2022-06-012022-129084-THM0.600 ppb
2022-06-012022-129089-THM0.700 ppb
2022-06-012022-129097-THM0.500 ppb
2022-06-012022-129110-THM0.600 ppb
2022-06-012022-129111-THM0.500 ppb
2022-06-012022-129112-THM0.700 ppb
2022-06-012022-129113-THM0.800 ppb
2022-06-012022-129114-THM0.700 ppb
2022-06-012022-129115-THM0.700 ppb
2022-06-012022-129116-THM0.600 ppb
2022-06-012022-129117-THM0.600 ppb
2022-06-022022-129135-THM0.600 ppb
2022-06-022022-129138-THM0.500 ppb
2022-06-032022-129176-THM0.900 ppb
2022-09-062022-132017-THM1.30 ppb
2022-09-062022-132020-THM1.20 ppb
2022-09-072022-132088-THM2.00 ppb
2022-09-072022-132093-THM3.30 ppb
2022-09-072022-132109-THM0.600 ppb
2022-09-072022-132119-THM1.70 ppb
2022-09-072022-132120-THM1.60 ppb
2022-09-072022-132121-THM2.80 ppb
2022-09-072022-132122-THM2.40 ppb
2022-09-072022-132123-THM0.700 ppb
2022-09-072022-132124-THM0.700 ppb
2022-09-072022-132125-THM0.700 ppb
2022-09-072022-132126-THM1.10 ppb
2022-09-072022-132142-THM1.000 ppb
2022-09-072022-132143-THM0.700 ppb
2022-09-072022-132144-THM2.10 ppb
2022-12-062022-134808-THM4.60 ppb
2022-12-062022-134829-THM2.70 ppb
2022-12-062022-134832-THM1.10 ppb
2022-12-072022-134895-THM3.50 ppb
2022-12-072022-134900-THM4.50 ppb
2022-12-072022-134912-THM1.000 ppb
2022-12-072022-134913-THM1.20 ppb
2022-12-072022-134914-THM1.30 ppb
2022-12-072022-134915-THM3.50 ppb
2022-12-072022-134916-THM3.80 ppb
2022-12-072022-134917-THM3.30 ppb
2022-12-072022-134918-THM3.80 ppb
2022-12-072022-134919-THM1.70 ppb
2022-12-072022-134927-THM1.10 ppb
2022-12-072022-134939-THM1.50 ppb
2022-12-072022-134949-THM3.70 ppb
2023-03-092308468-01ND
2023-03-092308468-02ND
2023-03-092308468-03ND
2023-03-092308468-04ND
2023-03-092308468-05ND
2023-03-092308468-06ND
2023-03-092308468-07ND
2023-03-092308468-08ND
2023-03-092308468-09ND
2023-03-092308468-10ND
2023-03-092308468-11ND
2023-03-092308468-12ND
2023-03-092308468-13ND
2023-03-092308468-14ND
2023-03-092308468-15ND
2023-03-092308468-162.30 ppb
2023-06-072320118-01ND
2023-06-072320118-02ND
2023-06-072320118-030.600 ppb
2023-06-072320118-04ND
2023-06-072320118-05ND
2023-06-072320118-060.700 ppb
2023-06-072320118-071.10 ppb
2023-06-072320118-080.900 ppb
2023-06-072320118-091.000 ppb
2023-06-072320118-101.000 ppb
2023-06-072320118-110.900 ppb
2023-06-072320118-121.000 ppb
2023-06-072320118-131.000 ppb
2023-06-072320118-14ND
2023-06-072320118-15ND
2023-06-072320118-163.30 ppb
2023-09-062023-143007-THM2.80 ppb
2023-09-062023-143012-THM5.00 ppb
2023-09-062023-143056-THMND
2023-09-062023-143066-THMND
2023-09-062023-143067-THM1.30 ppb
2023-09-062023-143069-THM2.80 ppb
2023-09-062023-143077-THM2.90 ppb
2023-09-062023-143078-THM3.00 ppb
2023-09-062023-143079-THM2.80 ppb
2023-09-062023-143080-THM2.90 ppb
2023-09-062023-143081-THM1.40 ppb
2023-09-062023-143082-THM0.900 ppb
2023-09-062023-143083-THM0.600 ppb
2023-09-062023-143084-THMND
2023-09-062023-143085-THMND
2023-09-062023-143086-THMND
2023-12-062023-146059-THM5.40 ppb
2023-12-062023-146060-THM4.90 ppb
2023-12-062023-146061-THM4.80 ppb
2023-12-062023-146062-THM5.30 ppb
2023-12-062023-146063-THM4.30 ppb
2023-12-062023-146064-THM1.70 ppb
2023-12-062023-146075-THM5.50 ppb
2023-12-062023-146080-THM4.30 ppb
2023-12-062023-146098-THM0.900 ppb
2023-12-062023-146122-THM1.60 ppb
2023-12-062023-146123-THM2.90 ppb
2023-12-062023-146124-THM5.10 ppb
2023-12-062023-146125-THM1.30 ppb
2023-12-062023-146126-THM1.10 ppb
2023-12-062023-146127-THM1.70 ppb
2023-12-062023-146128-THM0.900 ppb