Ethyl tert-butyl ether
Portsmouth Water Works
45
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 |
|---|---|---|---|---|
| 2014 | ND | 7 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 10 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-27 | A400382001 | ND |
| 2014-01-27 | A400382002 | ND |
| 2014-01-27 | A400382003 | ND |
| 2014-02-03 | A400530002 | ND |
| 2014-02-03 | A400530003 | ND |
| 2014-02-03 | A400530001 | ND |
| 2014-07-17 | A405023001 | ND |
| 2015-01-20 | A500311005 | ND |
| 2015-01-20 | A500311006 | ND |
| 2015-01-20 | A500311004 | ND |
| 2015-01-20 | A500311003 | ND |
| 2015-01-20 | A500311002 | ND |
| 2015-01-20 | A500311001 | ND |
| 2015-07-08 | A504792001 | ND |
| 2016-02-03 | B600549002 | ND |
| 2016-02-03 | B600549004 | ND |
| 2016-02-03 | B600549006 | ND |
| 2016-02-08 | B600586002 | ND |
| 2016-02-08 | B600586004 | ND |
| 2016-02-08 | B600586006 | ND |
| 2016-08-18 | B607708002 | ND |
| 2017-01-25 | 39125-002 | ND |
| 2017-01-25 | 39125-006 | ND |
| 2017-01-25 | 39125-005 | ND |
| 2017-01-25 | 39125-003 | ND |
| 2017-01-25 | 39125-001 | ND |
| 2017-01-25 | 39125-004 | ND |
| 2017-08-01 | 41312-001 | ND |
| 2018-02-08 | 43406-001 | ND |
| 2018-02-08 | 43406-002 | ND |
| 2018-02-08 | 43406-003 | ND |
| 2018-02-14 | 43453-001 | ND |
| 2018-02-14 | 43453-002 | ND |
| 2018-02-14 | 43453-003 | ND |
| 2018-05-16 | 1805-02255-001 | ND |
| 2018-08-29 | 1808-04203-001 | ND |
| 2018-08-30 | 1808-04205-001 | ND |
| 2018-11-05 | 1811-00621-001 | ND |
| 2019-01-29 | 1901-02585-001 | ND |
| 2019-01-29 | 1901-02602-001 | ND |
| 2019-01-29 | 1901-02603-001 | ND |
| 2019-01-29 | 1901-02604-001 | ND |
| 2019-01-29 | 1901-02606-001 | ND |
| 2019-01-29 | 1901-02609-001 | ND |
| 2019-08-15 | 1908-02438-001 | ND |