Acenaphthylene
Northwest Harris County Municipal Utility District 21
NOTE: Northwest Harris County Municipal Utility District 21 purchases water from North Harris County Regional Water Authority which is required to test for acenaphthylene. Sample information shown below was taken by North Harris County Regional Water Authority.
Acenaphthylene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators. PAHs increase the risk of cancer; damage the immune, nervous and reproductive systems; and can harm developing fetuses.
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Northwest Harris County Municipal Utility District 21 purchases water from North Harris County Regional Water Authority which is required to test for acenaphthylene. Sample information shown below was taken by North Harris County Regional Water Authority.
| Date | Lab ID | Result |
|---|