Hexachlorocyclopentadiene
Artesian Water Company
Hexachlorocyclopentadiene was historically used for the manufacture of currently banned pesticides, such as endrin, dieldrin and chlordane. It’s still used for production of flame retardants, resins and plastics.
270
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 54 | 0 | ND |
| 2015 | ND | 67 | 0 | ND |
| 2016 | ND | 64 | 0 | ND |
| 2017 | ND | 32 | 0 | ND |
| 2018 | ND | 34 | 0 | ND |
| 2019 | ND | 19 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 2 ppb
The EWG Health Guideline of 2 ppb for hexachlorocyclopentadiene 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) 50 ppb
The legal limit for hexachlorocyclopentadiene, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-18 | 14021630-525 | ND |
| 2014-02-18 | L4768478-508 | ND |
| 2014-02-20 | 14021627 - 525 | ND |
| 2014-02-20 | L4799863-1 525 | ND |
| 2014-02-25 | L4951899-1 | ND |
| 2014-02-25 | L4951901-1 | ND |
| 2014-02-25 | L4951903-1 | ND |
| 2014-02-25 | L4951904-1 | ND |
| 2014-02-27 | L4768585-525 | ND |
| 2014-02-27 | L4805818-525 | ND |
| 2014-02-27 | L4830599-1 525 | ND |
| 2014-02-27 | L4830758-525 | ND |
| 2014-02-27 | L4836771-525 | ND |
| 2014-03-20 | L4836863-1 525 | ND |
| 2014-03-20 | L4949104-525 | ND |
| 2014-03-24 | L4949106-1 525 | ND |
| 2014-03-24 | L4949108-525 | ND |
| 2014-03-24 | L4949110-525 | ND |
| 2014-03-24 | L4949113-525 | ND |
| 2014-04-03 | L5006063-1 525 | ND |
| 2014-04-03 | L5006064-1 | ND |
| 2014-04-03 | L5006066-1 | ND |
| 2014-04-15 | L5015387-1 525 | ND |
| 2014-04-15 | L5015389-1 525 | ND |
| 2014-04-15 | L5015391-1 525 | ND |
| 2014-04-16 | L5018984-1 | ND |
| 2014-04-24 | L5024822-1 508 | ND |
| 2014-04-24 | L5024822-1 525 | ND |
| 2014-04-24 | L5024826-1 508 | ND |
| 2014-04-24 | L5024826-1 525 | ND |
| 2014-05-30 | L4949119-1-508 | ND |
| 2014-06-17 | L5110724-1 | ND |
| 2014-07-01 | L5144326-1 | ND |
| 2014-07-01 | L5144326-1 508 | ND |
| 2014-07-02 | L5144470-1 | ND |
| 2014-07-02 | L5144471-1 | ND |
| 2014-09-03 | L5235055-1-508 | ND |
| 2014-09-03 | L5235055-1-525 | ND |
| 2014-09-03 | L5235055-2-508 | ND |
| 2014-09-03 | L5235055-2-525 | ND |
| 2014-10-06 | L5275095-1 | ND |
| 2014-10-06 | L5275099-1 | ND |
| 2014-10-06 | L5275100-1 | ND |
| 2014-11-05 | L5291674-1 | ND |
| 2014-11-05 | L5315635-1 | ND |
| 2014-11-05 | L5315635-1-508 | ND |
| 2014-11-05 | L5315635-2 | ND |
| 2014-11-05 | L5315635-2-508 | ND |
| 2014-12-15 | L5359353-1 | ND |
| 2014-12-15 | L5359596-1-508 | ND |
| 2014-12-15 | L5359597-1-508 | ND |
| 2014-12-15 | L5359597-1-525 | ND |
| 2014-12-15 | L5359597-2-508 | ND |
| 2014-12-15 | L5359597-2-525 | ND |
| 2015-01-09 | L5398026-1 | ND |
| 2015-01-09 | L5398026-1 508 | ND |
| 2015-01-09 | L5398029-1 | ND |
| 2015-01-26 | 150122110 525 | ND |
| 2015-01-26 | 15012212-525 | ND |
| 2015-01-26 | 15012213 525 | ND |
| 2015-01-26 | L5242398-1 508 | ND |
| 2015-01-26 | L5242399-1-508 | ND |
| 2015-01-26 | L5242404-1 508 | ND |
| 2015-01-29 | 15012443-525 | ND |
| 2015-01-29 | 15012445 525 | ND |
| 2015-01-29 | 15012447 525 | ND |
| 2015-01-29 | 15012449-525 | ND |
| 2015-01-29 | L5242405-1 508 | ND |
| 2015-01-29 | L5242406-1 508 | ND |
| 2015-01-29 | L5242895-1-508 | ND |
| 2015-01-30 | 15020046 525 | ND |
| 2015-01-30 | 15020047 525 | ND |
| 2015-01-30 | 15020049 525 | ND |
| 2015-01-30 | L5242896-1 508 | ND |
| 2015-01-30 | L5250627-1 508 | ND |
| 2015-01-30 | L5250713-1 508 | ND |
| 2015-02-26 | L5286929-1 508 | ND |
| 2015-02-26 | L5286929-1 525 | ND |
| 2015-03-02 | L5287047-1-508 | ND |
| 2015-03-02 | L5287047-1-525 | ND |
| 2015-03-02 | L5293036-1 508 | ND |
| 2015-03-02 | L5293036-1 525 | ND |
| 2015-03-02 | L5293104-1-508 | ND |
| 2015-03-02 | L5293104-1-525 | ND |
| 2015-04-01 | L5513567-1-508 | ND |
| 2015-04-01 | L5513567-1-525 | ND |
| 2015-04-01 | L5513690-1 | ND |
| 2015-04-01 | L5513690-1-508 | ND |
| 2015-04-06 | L5527743-1 | ND |
| 2015-04-06 | L5527743-1-508 | ND |
| 2015-04-06 | L5527752-1-508 | ND |
| 2015-04-06 | L5527752-1-525 | ND |
| 2015-04-06 | L5527754-1-508 | ND |
| 2015-04-06 | L5527754-1-525 | ND |
| 2015-04-15 | L5536818-1-508 | ND |
| 2015-04-15 | L5536818-1-525 | ND |
| 2015-04-15 | L5536821-1-508 | ND |
| 2015-04-15 | L5536821-1-525 | ND |
| 2015-04-15 | L5537210-1 | ND |
| 2015-04-15 | L5537210-1 508 | ND |
| 2015-04-15 | L5537275-1-508 | ND |
| 2015-04-15 | L5537275-1-525 | ND |
| 2015-04-16 | L5540963-1 508 | ND |
| 2015-04-16 | L5540963-1 525 | ND |
| 2015-04-16 | L5540964-1-508 | ND |
| 2015-04-16 | L5540964-1-525 | ND |
| 2015-04-16 | L5540965-1-508 | ND |
| 2015-04-16 | L5540965-1-525 | ND |
| 2015-04-16 | L5541463-1-508 | ND |
| 2015-04-16 | L5541463-1-525 | ND |
| 2015-04-16 | L5541466-1-508 | ND |
| 2015-04-16 | L5541466-1-525 | ND |
| 2015-07-10 | L5700000-1 | ND |
| 2015-09-23 | L5534590-1 525 | ND |
| 2015-09-28 | L5830679-1 VOC | ND |
| 2015-10-02 | L5836561-1 508 | ND |
| 2015-10-02 | L5836564-1 | ND |
| 2015-11-04 | L5902500-1 | ND |
| 2015-11-04 | L5902500-1 508 | ND |
| 2015-12-10 | L5590066-1 508 | ND |
| 2015-12-10 | L5590066-1 525 | ND |
| 2016-01-05 | L6006214-1 | ND |
| 2016-01-15 | L5762486-1 508 | ND |
| 2016-01-15 | L5762486-1 525 | ND |
| 2016-01-15 | L5820919-1 508 | ND |
| 2016-01-15 | L5820919-1 525 | ND |
| 2016-01-15 | L5863869-1 508 | ND |
| 2016-01-15 | L5863869-1 525 | ND |
| 2016-01-29 | L6019360-1 508 | ND |
| 2016-01-29 | L6019360-1 525 | ND |
| 2016-01-29 | L6019361-1 508 | ND |
| 2016-01-29 | L6019361-1 525 | ND |
| 2016-01-29 | L6019362-1 508 | ND |
| 2016-01-29 | L6019362-1 525 | ND |
| 2016-02-17 | L6019363-1 508 | ND |
| 2016-02-17 | L6019363-1 525 | ND |
| 2016-02-17 | L6019364-1 508 | ND |
| 2016-02-17 | L6019364-1 525 | ND |
| 2016-02-17 | L6019365-1 508 | ND |
| 2016-02-17 | L6019365-1 525 | ND |
| 2016-02-23 | L6019366-1 508 | ND |
| 2016-02-23 | L6019366-1 525 | ND |
| 2016-02-23 | L6019367-1 508 | ND |
| 2016-02-23 | L6019367-1 525 | ND |
| 2016-02-23 | L6019368-1 508 | ND |
| 2016-02-23 | L6019368-1 525 | ND |
| 2016-02-23 | L6019369-1 508 | ND |
| 2016-02-23 | L6019370-1 508 | ND |
| 2016-03-03 | L6111613-1 525 | ND |
| 2016-03-08 | L6114129-1 | ND |
| 2016-04-07 | L6170164-1 508 | ND |
| 2016-04-07 | L6170164-1 525 | ND |
| 2016-04-07 | L6170166-1 508 | ND |
| 2016-04-07 | L6170166-1 525 | ND |
| 2016-04-12 | L6175604-1 508 | ND |
| 2016-04-12 | L6175604-1 525 | ND |
| 2016-04-13 | L6179210-1 508 | ND |
| 2016-04-13 | L6179210-1 525 | ND |
| 2016-04-13 | L6179211-1 VOC | ND |
| 2016-04-13 | L6179212-1 508 | ND |
| 2016-04-13 | L6179212-1 525 | ND |
| 2016-04-13 | L6179213-1 508 | ND |
| 2016-04-13 | L6179213-1 525 | ND |
| 2016-04-13 | L6179214-1 525 | ND |
| 2016-04-13 | L6179229-1 508 | ND |
| 2016-04-15 | L6183101-1 508 | ND |
| 2016-04-15 | L6183101-1 525 | ND |
| 2016-04-15 | L6183102-1 508 | ND |
| 2016-04-15 | L6183102-1 525 | ND |
| 2016-04-15 | L6183103-1 508 | ND |
| 2016-04-15 | L6183103-1 525 | ND |
| 2016-04-15 | L6183104-1 508 | ND |
| 2016-04-15 | L6183104-1 525 | ND |
| 2016-04-19 | L6186239-1 | ND |
| 2016-04-22 | L6193472-1 508 | ND |
| 2016-05-02 | L6234011-1 | ND |
| 2016-05-20 | L6019372-1 525 | ND |
| 2016-06-06 | L6019374-1 525 | ND |
| 2016-07-01 | L6342806-525 | ND |
| 2016-07-11 | L6363785-525 | ND |
| 2016-07-11 | L6363791 525 | ND |
| 2016-08-05 | L6390073-525 | ND |
| 2016-08-05 | L6410849-525 | ND |
| 2016-10-05 | L6502152-525 | ND |
| 2016-11-01 | L6527542- 525 | ND |
| 2017-01-18 | L6547052 525 | ND |
| 2017-01-20 | L6469070-1 525 | ND |
| 2017-01-20 | L6469144-1 525 | ND |
| 2017-01-23 | L6485710-1 525 | ND |
| 2017-01-23 | L6485777-1 525 | ND |
| 2017-01-23 | L6547102-1 525 | ND |
| 2017-01-27 | L6650652 525 | ND |
| 2017-01-27 | L6650653-525 | ND |
| 2017-01-27 | L6650655 525 | ND |
| 2017-01-27 | L6650656 525 | ND |
| 2017-01-27 | L6650657 525 | ND |
| 2017-01-27 | L6650658 525 | ND |
| 2017-01-31 | L6371963-1 525 | ND |
| 2017-01-31 | L6372370-1 525 | ND |
| 2017-01-31 | L6378581-1 525 | ND |
| 2017-03-06 | L6485639 | ND |
| 2017-03-09 | L6568580-525 | ND |
| 2017-04-04 | L6752336-1 525 | ND |
| 2017-04-04 | L6753812-1 525 | ND |
| 2017-04-04 | L6762334-1 525 | ND |
| 2017-04-05 | L6753802-1 525 | ND |
| 2017-04-05 | L6753803-1 525 | ND |
| 2017-04-05 | L6753806-1 525 | ND |
| 2017-04-05 | L6753807-1 525 | ND |
| 2017-04-06 | L6754970-1 525 | ND |
| 2017-04-13 | L676311-1 525 | ND |
| 2017-04-13 | L6763126-1 525 | ND |
| 2017-04-24 | L6771554-1 525 | ND |
| 2017-04-24 | L6771555-1 525 | ND |
| 2017-04-26 | L6775034-2 525 | ND |
| 2017-07-10 | L6897846-525 | ND |
| 2017-11-28 | L6976731-1 | ND |
| 2018-01-08 | 8011812-01 | ND |
| 2018-01-26 | 8014291-01 525 | ND |
| 2018-01-26 | 8014295-01 525 | ND |
| 2018-02-23 | 8015062-01 525 | ND |
| 2018-02-26 | 8015063-01 525 | ND |
| 2018-02-26 | 8015064-01 525 | ND |
| 2018-02-27 | 8030889-01 525 | ND |
| 2018-03-01 | 8024104-01 525 | ND |
| 2018-03-01 | 8030886-01 525 | ND |
| 2018-03-01 | 8030887-01 525 | ND |
| 2018-03-05 | 8030881-01 525 | ND |
| 2018-03-05 | 8030882-01 525 | ND |
| 2018-03-05 | 8030888-01 525 | ND |
| 2018-03-06 | 8030883-01 525 | ND |
| 2018-03-06 | 8030884-01 525 | ND |
| 2018-03-16 | 8030879-01 525 | ND |
| 2018-04-04 | 8034685-01 | ND |
| 2018-04-16 | 8043156-01 525 | ND |
| 2018-04-16 | 8043157-01 525 | ND |
| 2018-04-16 | 8043158-01 525 | ND |
| 2018-04-16 | 8043159-01 525 | ND |
| 2018-04-16 | 8043163-01 525 | ND |
| 2018-04-16 | 8043164-01 525 | ND |
| 2018-04-16 | 8043165-01 525 | ND |
| 2018-04-16 | 8043166-01 525 | ND |
| 2018-04-16 | 8043167-01 525 | ND |
| 2018-04-16 | 8043168-01 525 | ND |
| 2018-05-23 | 8053616-01 525 | ND |
| 2018-06-22 | 8043169-01 525 | ND |
| 2018-07-06 | 8071562-01 525 | ND |
| 2018-07-09 | 8071565-01 525 | ND |
| 2018-08-06 | 8082532-01 525 | ND |
| 2018-10-09 | 8101738-01 525 | ND |
| 2018-11-21 | 8105267-01 525 | ND |
| 2019-01-04 | 8124606-01 525S | ND |
| 2019-01-25 | 8122188-01 525S | ND |
| 2019-01-25 | 8122189-01 525S | ND |
| 2019-01-28 | 8122190-01 525S | ND |
| 2019-01-30 | 8105269-01 525S | ND |
| 2019-02-27 | 9020961-01 525S | ND |
| 2019-03-07 | 9014984-01 525M | ND |
| 2019-03-07 | 9020958-01 525S | ND |
| 2019-03-12 | 9020956-01 525S | ND |
| 2019-03-14 | 9020955-01 525S | ND |
| 2019-03-15 | 9020957-01 525S | ND |
| 2019-03-15 | 9020959-01 525S | ND |
| 2019-03-15 | 9020960-01 525S | ND |
| 2019-03-21 | 9033622-01 525S | ND |
| 2019-03-21 | 9033623-01 525S | ND |
| 2019-03-28 | 9033626-01 525S | ND |
| 2019-03-28 | 9034331-01 525S | ND |
| 2019-04-10 | 9042002-01 525S | ND |
| 2019-09-16 | 9085950-01 525S | ND |