EWG's Tap Water Database — 2021 UPDATE

Prometon

City of Santa Ana

Prometon is a herbicide.

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43

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	N/A	0	0	N/A
2015	ND	37	0	ND
2016	ND	6	0	ND
2017	N/A	0	0	N/A
2018	N/A	0	0	N/A
2019	N/A	0	0	N/A

ppb = parts per billion

All test results

Date	Lab ID	Result
2015-02-24	4417-034-1215	ND
2015-02-24	4417-037-0810	ND
2015-02-24	4417-038-0735	ND
2015-02-24	4417-073-0940	ND
2015-02-24	4417-028-0905	ND
2015-02-24	4417-039-1020	ND
2015-03-18	4417-061-0805	ND
2015-03-18	4417-026-0900	ND
2015-05-19	4417-031-0950	ND
2015-05-19	4417-030-0720	ND
2015-05-19	4417-037-0750	ND
2015-05-19	4417-038-0640	ND
2015-05-19	4417-028-0915	ND
2015-05-19	4417-035-0820	ND
2015-05-19	4417-034-1120	ND
2015-05-19	4417-026-1010	ND
2015-05-19	4417-061-0850	ND
2015-05-19	4417-022-0735	ND
2015-05-19	4417-073-0935	ND
2015-05-19	4417-021-0705	ND
2015-05-19	4417-074-1050	ND
2015-05-19	4417-019-0840	ND
2015-06-16	4417-027-0635	ND
2015-06-16	4417-039-0725	ND
2015-08-12	4417-035-0540	ND
2015-08-12	4417-030-0445	ND
2015-08-12	4417-074-0610	ND
2015-08-12	4417-031-0705	ND
2015-08-12	4417-027-0555	ND
2015-08-12	4417-026-0640	ND
2015-08-12	4417-025-0510	ND
2015-08-12	4417-022-0455	ND
2015-08-12	4417-021-0435	ND
2015-08-12	4417-019-0525	ND
2015-11-17	4417-033-0910	ND
2015-11-17	4417-029-0920	ND
2015-11-17	4417-025-0820	ND
2016-02-16	4417-033-1220	ND
2016-02-16	4417-018-1200	ND
2016-03-07	4417-029-0810	ND
2016-04-05	4417-033-0815	ND
2016-04-05	4417-029-0840	ND
2016-04-05	4417-018-0805	ND