Endothall
Aqua Pa Hatboro
NOTE: Aqua Pa Hatboro purchases water from Aqua Pennsylvania Main System which is required to test for endothall. Sample information shown below was taken by Aqua Pennsylvania Main System.
Endothall is a herbicide used to kill aquatic plants and algae. It's also used on potato and cotton crops.
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 12 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 14 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 94 ppb
The EWG Health Guideline of 94 ppb for endothall 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 stomach and intestines.
EPA Maximum Contaminant
Level (MCL): 100 ppb
The legal limit for endothall, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.
ppb = parts per billion
All test results
NOTE: Aqua Pa Hatboro purchases water from Aqua Pennsylvania Main System which is required to test for endothall. Sample information shown below was taken by Aqua Pennsylvania Main System.
| Date | Lab ID | Result |
|---|---|---|
| 2020-04-06 | 22027286.00 | ND |
| 2020-04-07 | 22027360.00 | ND |
| 2020-04-09 | 22027330.00 | ND |
| 2020-04-13 | 22027600.00 | ND |
| 2020-04-16 | 22027625.00 | ND |
| 2020-04-23 | 22029507.00 | ND |
| 2020-07-13 | 22613580.00 | ND |
| 2020-07-14 | 22613551.00 | ND |
| 2020-07-15 | 22613822.00 | ND |
| 2020-07-20 | 22613858.00 | ND |
| 2020-07-22 | 22613930.00 | ND |
| 2020-07-22 | 22613894.00 | ND |
| 2021-05-17 | 24444597.00 | ND |
| 2023-01-25 | 28177146.00 | ND |
| 2023-01-25 | 28177147.00 | ND |
| 2023-01-25 | 28178114.00 | ND |
| 2023-01-27 | 28177148.00 | ND |
| 2023-01-30 | 28177165.00 | ND |
| 2023-01-30 | 28177166.00 | ND |
| 2023-01-31 | 28177169.00 | ND |
| 2023-01-31 | 28177167.00 | ND |
| 2023-01-31 | 28177168.00 | ND |
| 2023-02-03 | 28352821.00 | ND |
| 2023-02-08 | 28352825.00 | ND |
| 2023-04-03 | 28706485.00 | ND |
| 2023-04-03 | 28706558.00 | ND |
| 2023-04-04 | 28706546.00 | ND |
| 2023-04-04 | 28706516.00 | ND |
| 2023-04-04 | 28706497.00 | ND |
| 2023-04-12 | 28706560.00 | ND |
| 2023-04-12 | 28706561.00 | ND |
| 2023-04-12 | 28706559.00 | ND |
| 2023-04-13 | 28707987.00 | ND |
| 2023-04-13 | 28707684.00 | ND |
| 2023-04-17 | 28707405.00 | ND |
| 2023-04-17 | 28707406.00 | ND |
| 2023-04-17 | 28707407.00 | ND |
| 2023-04-18 | 28708860.00 | ND |
| 2023-04-19 | 28707408.00 | ND |
| 2023-04-27 | 28708589.00 | ND |
| 2023-05-01 | 28904299.00 | ND |
| 2023-06-07 | 29112017.00 | ND |
| 2023-07-10 | 29305562.00 | ND |
| 2023-07-11 | 29305563.00 | ND |
| 2023-07-12 | 29305569.00 | ND |
| 2023-07-12 | 29305565.00 | ND |
| 2023-07-12 | 29305566.00 | ND |
| 2023-07-12 | 29305567.00 | ND |
| 2023-07-12 | 29305568.00 | ND |
| 2023-07-12 | 29305564.00 | ND |
| 2023-07-25 | 29305938.00 | ND |
| 2023-07-25 | 29305937.00 | ND |
| 2023-07-26 | 29306813.00 | ND |
| 2023-07-31 | 29307025.00 | ND |
| 2023-07-31 | 29306817.00 | ND |
| 2023-07-31 | 29306814.00 | ND |
| 2023-07-31 | 29306815.00 | ND |
| 2023-07-31 | 29306816.00 | ND |
| 2023-08-03 | 29501599.00 | ND |
| 2023-08-03 | 29501600.00 | ND |
| 2023-09-13 | 29703759.00 | ND |
| 2023-10-11 | 29890103.00 | ND |
| 2023-10-19 | 29890107.00 | ND |
| 2023-10-19 | 29890106.00 | ND |
| 2023-10-19 | 29890108.00 | ND |
| 2023-10-25 | 29890109.00 | ND |
| 2023-10-26 | 30074859.00 | ND |
| 2023-10-30 | 30074861.00 | ND |
| 2023-10-30 | 30074860.00 | ND |
| 2023-11-01 | 30074863.00 | ND |
| 2023-11-01 | 30074862.00 | ND |
| 2023-11-01 | 30074864.00 | ND |
| 2023-11-07 | 30074866.00 | ND |
| 2023-11-07 | 30074867.00 | ND |