Chromium (total)
Pittsboro Water Company
NOTE: Pittsboro Water Company purchases water from Citizens Water - Indianapolis which is required to test for chromium (total). Sample information shown below was taken by Citizens Water - Indianapolis.
Chromium is a naturally occurring metal, but industrial uses can elevate its levels in water. One form, hexavalent chromium, causes cancer. Total chromium is not a good indicator of the amount of hexavalent chromium in drinking water.
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 | 1.38 ppb | 18 | 10 | ND - 3.20 ppb |
| 2019 | 0.289 ppb | 9 | 1 | ND - 2.60 ppb |
| 2020 | ND | 9 | 0 | ND |
| 2021 | ND | 18 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 18 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 100 ppb
The legal limit for total chromium, established in 1991, was based on a 1958 toxicity study in laboratory animals, and applies to both the less-toxic trivalent chromium and the more-toxic hexavalent chromium forms of this compound. This limit does not protect against the risk of cancer from ingestion of hexavalent chromium.
ppb = parts per billion
All test results
NOTE: Pittsboro Water Company purchases water from Citizens Water - Indianapolis which is required to test for chromium (total). Sample information shown below was taken by Citizens Water - Indianapolis.
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-15 | 18071704IOC-2018 | ND |
| 2018-05-16 | 18072607IOC-2018 | 2.30 ppb |
| 2018-05-16 | 18072606IOC-2018 | 2.30 ppb |
| 2018-05-16 | 18072605IOC-2018 | ND |
| 2018-05-16 | 18072604IOC-2018 | 2.20 ppb |
| 2018-05-16 | 18072603IOC-2018 | ND |
| 2018-05-16 | 18072601IOC-2018 | ND |
| 2018-05-16 | 18072602IOC-2018 | ND |
| 2018-06-13 | 18088613IOC-2018 | 3.20 ppb |
| 2018-08-14 | 18127710IOC | ND |
| 2018-08-15 | 18128102 | 2.20 ppb |
| 2018-08-15 | 18128101 | 2.30 ppb |
| 2018-08-15 | 18128108IOC | 3.10 ppb |
| 2018-08-15 | 18128107IOC | ND |
| 2018-08-15 | 18128106IOC | 2.70 ppb |
| 2018-08-15 | 18128105IOC | ND |
| 2018-08-15 | 18128104IOC | 2.10 ppb |
| 2018-08-15 | 18128103IOC | 2.40 ppb |
| 2019-05-14 | 190926-09IOC | ND |
| 2019-05-15 | 190926-04IOC | ND |
| 2019-05-15 | 190926-07IOC | ND |
| 2019-05-15 | 190926-06IOC | ND |
| 2019-05-15 | 190926-03IOC | ND |
| 2019-05-15 | 190926-02IOC | ND |
| 2019-05-15 | 190926-01IOC | ND |
| 2019-05-15 | 190925-01IOC | ND |
| 2019-08-14 | 19169103IOC-2019 | 2.60 ppb |
| 2020-08-10 | 201565-06IOC | ND |
| 2020-08-10 | 201565-08IOC | ND |
| 2020-08-10 | 201565-10IOC | ND |
| 2020-08-10 | 201565-12IOC | ND |
| 2020-08-11 | 201579-09IOC | ND |
| 2020-08-12 | 201586-09IOC | ND |
| 2020-08-12 | 201586-11IOC | ND |
| 2020-08-12 | 201586-13IOC | ND |
| 2020-08-12 | 201586-15IOC | ND |
| 2021-05-11 | 210836-10IOC | ND |
| 2021-05-12 | 210846-03IOC | ND |
| 2021-05-12 | 210846-05IOC | ND |
| 2021-05-12 | 210846-07IOC | ND |
| 2021-05-12 | 210846-01IOC | ND |
| 2021-05-12 | 210846-09IOC | ND |
| 2021-05-12 | 210846-11IOC | ND |
| 2021-05-12 | 210846-13IOC | ND |
| 2021-06-16 | 211096-13IOC2 | ND |
| 2021-08-10 | 211507-12IOC | ND |
| 2021-08-11 | 211516-22IOC | ND |
| 2021-08-11 | 211516-26IOC | ND |
| 2021-08-11 | 211516-24IOC | ND |
| 2021-08-11 | 211516-20IOC | ND |
| 2021-08-11 | 211516-18IOC | ND |
| 2021-08-11 | 211516-16IOC | ND |
| 2021-08-11 | 211516-14IOC | ND |
| 2021-08-11 | 211516-28IOC | ND |
| 2022-05-10 | 220873-05IOC | ND |
| 2022-05-11 | 220883-02IOC | ND |
| 2022-05-11 | 220883-07IOC | ND |
| 2022-05-11 | 220883-06IOC | ND |
| 2022-05-11 | 220883-05IOC | ND |
| 2022-05-11 | 220883-04IOC | ND |
| 2022-05-11 | 220883-03MET | ND |
| 2022-05-11 | 220883-01IOC | ND |
| 2022-06-27 | 221228-08IOC | ND |
| 2023-08-15 | 231719-09IOC2 | ND |
| 2023-08-15 | 231719-09IOC | ND |
| 2023-08-16 | 231719-01IOC | ND |
| 2023-08-16 | 231719-01IOC2 | ND |
| 2023-08-16 | 231719-02IOC | ND |
| 2023-08-16 | 231719-02IOC2 | ND |
| 2023-08-16 | 231719-03IOC | ND |
| 2023-08-16 | 231719-03IOC2 | ND |
| 2023-08-16 | 231719-04IOC | ND |
| 2023-08-16 | 231719-04IOC2 | ND |
| 2023-08-16 | 231719-05IOC | ND |
| 2023-08-16 | 231719-05IOC2 | ND |
| 2023-08-16 | 231719-06IOC | ND |
| 2023-08-16 | 231719-06IOC2 | ND |
| 2023-08-16 | 231719-07IOC | ND |
| 2023-08-16 | 231719-07IOC2 | ND |
| 2023-08-16 | 231719-00IOC2 | ND |
| 2023-08-16 | 231719-00IOC | ND |