Cyanide
University of Connecticut - Main Campus
NOTE: University of Connecticut - Main Campus purchases water from Connecticut Water Company - Northern Region-Western System which is required to test for cyanide. Sample information shown below was taken by Connecticut Water Company - Northern Region-Western System.
Cyanide is a toxic chemical that causes central nervous system and thyroid toxicity. Water contamination is generally the result of metal mining and chemical industry waste, runoff from agriculture and road salts used for melting ice.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 150 ppb
The EWG Health Guideline of 150 ppb for cyanide 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 harm to the brain and nervous system.
EPA Maximum Contaminant
Level (MCL): 200 ppb
The legal limit for cyanide, established in 1992, was based on a 1955 toxicity study conducted in laboratory animals. This limit does not include any additional consideration of children’s health.
ppb = parts per billion
All test results
NOTE: University of Connecticut - Main Campus purchases water from Connecticut Water Company - Northern Region-Western System which is required to test for cyanide. Sample information shown below was taken by Connecticut Water Company - Northern Region-Western System.
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-23 | BZ78887IOC1 | ND |
| 2018-01-31 | BZ82691IOCR | ND |
| 2018-03-02 | BZ97488IOC1 | ND |
| 2018-07-12 | CA89150 | ND |
| 2018-07-13 | CA89903 | ND |
| 2019-01-10 | IOCR 200518412 | ND |
| 2019-01-15 | IOC1 200518779 | ND |
| 2020-01-09 | IOC1 200562368 | ND |
| 2020-01-15 | IOCR 200563111 | ND |
| 2020-09-21 | IOC1 200591023 | ND |
| 2021-02-17 | IOC1 200607102 | ND |
| 2021-03-05 | IOCR 200608709 | ND |
| 2022-01-24 | CK22294 | ND |
| 2022-01-25 | CK23176 | ND |
| 2022-02-01 | CK27430 | ND |
| 2022-02-01 | CK27434 | ND |
| 2022-02-16 | CK69357 | ND |
| 2022-09-08 | CM25672 | ND |
| 2023-01-11 | CN20957 | ND |
| 2023-01-18 | CN25096 | ND |
| 2023-08-23 | CO81672 | ND |
| 2023-10-31 | CP38331 | ND |
| 2023-12-13 | CP67269 | ND |