Chlorpyriphos

City of Newport

Chlorpyrifos is an organophosphate pesticide that has been widely used, but in 2021, application on food crops was banned by the EPA. Exposure to chlorpyrifos during pregnancy and early life harms the developing brain, including reduced IQ, delayed development of motor and sensory functions, and social and behavioral dysfunction.

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108

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	6	ND
2015	ND	11	ND
2016	ND	14	ND
2017	ND	30	ND
2018	ND	20	ND
2019	ND	19	ND

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-11-17	1405683-05_TO40	ND
2014-11-17	1405683-03_TO40	ND
2014-11-17	1405683-04_TO40	ND
2014-11-17	1405683-02_TO40	ND
2014-11-17	1405683-06_TO40	ND
2014-11-17	1405683-01_TO40	ND
2015-01-12	1501069-03_TO40	ND
2015-01-12	1501069-04_TO40	ND
2015-01-12	1501069-06_TO40	ND
2015-01-12	1501069-07_TO40	ND
2015-01-12	1501069-01_TO40	ND
2015-06-01	1502384-01_TO40	ND
2015-06-01	1502384-04_TO40	ND
2015-06-01	1502384-03_TO40	ND
2015-07-20	1503232-02_TO40	ND
2015-07-20	1503232-01_TO40	ND
2015-10-29	1504601-01_TO40	ND
2016-01-11	1600887-05_TO40	ND
2016-01-11	1600887-06_TO40	ND
2016-01-11	1600887-08_TO40	ND
2016-01-11	1600887-07_TO40	ND
2016-01-11	1600887-01_TO40	ND
2016-05-09	1602070-05_TO40	ND
2016-05-09	1602070-01_TO40	ND
2016-05-09	1602070-03_TO40	ND
2016-05-09	1602070-02_TO40	ND
2016-07-25	1603626-05_TO40	ND
2016-07-25	1603626-03_TO40	ND
2016-07-25	1603626-04_TO40	ND
2016-10-04	1604851-01_TO40	ND
2016-10-04	1604851-02_TO40	ND
2017-01-24	1701020-02_TO40	ND
2017-01-25	1701027-02_TO40	ND
2017-01-25	1701027-04_TO40	ND
2017-01-25	1701027-05_TO40	ND
2017-01-25	1701027-03_TO40	ND
2017-05-15	1702185-01_TO40	ND
2017-05-15	1702185-04_TO40	ND
2017-05-15	1702185-02_TO40	ND
2017-05-19	1702237-01_TO40	ND
2017-05-19	1702237-03_TO40	ND
2017-05-19	1702237-05_TO40	ND
2017-05-19	1702237-04_TO40	ND
2017-05-19	1702237-02_TO40	ND
2017-07-10	1703108-04_TO40	ND
2017-07-10	1703108-01_TO40	ND
2017-07-10	1703108-05_TO40	ND
2017-07-10	1703108-02_TO40	ND
2017-07-10	1703108-03_TO40	ND
2017-07-11	1703142-02_TO40	ND
2017-07-11	1703142-01_TO40	ND
2017-11-14	1704991-04_TO40	ND
2017-11-14	1704991-02_TO40	ND
2017-11-14	1704991-05_TO40	ND
2017-11-14	1704991-03_TO40	ND
2017-11-20	1705061-02_TO40	ND
2017-11-20	1705061-03_TO40	ND
2017-11-20	1705061-01_TO40	ND
2017-11-20	1705061-05_TO40	ND
2017-12-05	1705209-02_TO40	ND
2017-12-05	1705209-01_TO40	ND
2018-01-16	1800888-02_TO40	ND
2018-01-16	1800888-03_TO40	ND
2018-01-16	1800888-05_TO40	ND
2018-01-16	1800888-04_TO40	ND
2018-01-16	1800888-01_TO40	ND
2018-01-22	1800936-06_TO40	ND
2018-01-22	1800936-07_TO40	ND
2018-01-22	1800936-01_TO40	ND
2018-06-04	1802314-04_TO40	ND
2018-06-04	1802314-03_TO40	ND
2018-06-04	1802314-02_TO40	ND
2018-06-04	1802314-06_TO40	ND
2018-06-04	1802314-01_TO40	ND
2018-07-17	1803078-01_TO40	ND
2018-07-17	1803078-06_TO40	ND
2018-07-17	1803078-07_TO40	ND
2018-07-17	1803078-08_TO40	ND
2018-10-01	1804258-01_TO40	ND
2018-10-01	1804258-02_TO40	ND
2018-10-01	1804258-03_TO40	ND
2019-01-15	1900857-11_TO40	ND
2019-01-15	1900857-09_TO40	ND
2019-01-15	1900857-12_TO40	ND
2019-01-15	1900857-07_TO40	ND
2019-01-15	1900857-04_TO40	ND
2019-01-15	1900857-06_TO40	ND
2019-01-15	1900857-08_TO40	ND
2019-05-07	1901920-05_TO40	ND
2019-05-07	1901920-04_TO40	ND
2019-05-07	1901920-01_TO40	ND
2019-05-07	1901920-02_TO40	ND
2019-05-07	1901920-03_TO40	ND
2019-08-06	1903576-05_TO40	ND
2019-08-06	1903576-06_TO40	ND
2019-08-06	1903576-04_TO40	ND
2019-08-29	1904072-01_TO40	ND
2019-12-05	1905044-01_TO40	ND
2019-12-05	1905044-02_TO40	ND
2019-12-05	1905044-03_TO40	ND
2020-02-03	70120616007SEA1	ND
2020-02-03	70120616008SEA1	ND
2020-05-08	70130702007SEA2	ND
2020-05-08	70130702008SEA2	ND
2020-08-07	70141737007SEA3	ND
2020-08-07	70141737008SEA3	ND
2020-11-02	70152782007SEA4	ND
2020-11-02	70152782008SEA4	ND