Dalapon

McAllen Public Utility

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

MORE ABOUT THIS CONTAMINANT

196

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	32	ND
2015	ND	32	ND
2016	ND	34	ND
2017	ND	32	ND
2018	ND	32	ND
2019	ND	34	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-02-27	AC44999	ND
2014-02-27	AC45036	ND
2014-02-27	AC45028	ND
2014-02-27	AC45032	ND
2014-02-27	AC45029	ND
2014-02-27	AC45034	ND
2014-02-27	AC45000	ND
2014-02-27	AC45030	ND
2014-04-25	AC51868	ND
2014-04-25	AC51846	ND
2014-04-25	AC51840	ND
2014-04-25	AC51864	ND
2014-04-25	AC51843	ND
2014-04-25	AC51850	ND
2014-04-25	AC51847	ND
2014-04-25	AC51839	ND
2014-08-18	AC64181	ND
2014-08-18	AC64121	ND
2014-08-18	AC64153	ND
2014-08-18	AC64123	ND
2014-08-18	AC64154	ND
2014-08-18	AC64126	ND
2014-08-18	AC64119	ND
2014-08-18	AC64158	ND
2014-10-09	AC69406	ND
2014-10-09	AC69403	ND
2014-10-09	AC69402	ND
2014-10-09	AC69408	ND
2014-10-09	AC69399	ND
2014-10-09	AC69407	ND
2014-10-09	AC69400	ND
2014-10-09	AC69401	ND
2015-03-12	AC84065	ND
2015-03-12	AC84057	ND
2015-03-12	AC84060	ND
2015-03-12	AC84058	ND
2015-03-12	AC84054	ND
2015-03-12	AC84062	ND
2015-03-12	AC84059	ND
2015-03-12	AC84046	ND
2015-06-10	AC95395	ND
2015-06-10	AC95399	ND
2015-06-10	AC95417	ND
2015-06-10	AC95368	ND
2015-06-10	AC95414	ND
2015-06-10	AC95398	ND
2015-06-10	AC95369	ND
2015-06-10	AC95396	ND
2015-08-06	AD02886	ND
2015-08-06	AD02887	ND
2015-08-06	AD02906	ND
2015-08-06	AD02904	ND
2015-08-06	AD02888	ND
2015-08-06	AD02903	ND
2015-08-06	AD02894	ND
2015-08-06	AD02885	ND
2015-11-18	AD14005	ND
2015-11-18	AD13999	ND
2015-11-18	AD13998	ND
2015-11-18	AD14006	ND
2015-11-18	AD14004	ND
2015-11-18	AD14001	ND
2015-11-18	AD14016	ND
2015-11-18	AD14019	ND
2016-03-23	AD30225	ND
2016-03-23	AD30090	ND
2016-03-23	AD30087	ND
2016-03-23	AD30085	ND
2016-03-23	AD30088	ND
2016-03-23	AD30091	ND
2016-03-23	AD30089	ND
2016-03-23	AD30092	ND
2016-03-23	AD30086	ND
2016-06-07	AD39574	ND
2016-06-07	AD39570	ND
2016-06-07	AD39575	ND
2016-06-07	AD39580	ND
2016-06-07	AD39579	ND
2016-06-07	AD39572	ND
2016-06-07	AD39576	ND
2016-06-07	AD39578	ND
2016-06-30	AD42778	ND
2016-08-02	AD46601	ND
2016-08-02	AD46618	ND
2016-08-02	AD46606	ND
2016-08-02	AD46635	ND
2016-08-02	AD46605	ND
2016-08-02	AD46628	ND
2016-08-02	AD46602	ND
2016-08-02	AD46622	ND
2016-10-27	AD55126	ND
2016-10-27	AD55102	ND
2016-10-27	AD55110	ND
2016-10-27	AD55106	ND
2016-10-27	AD55109	ND
2016-10-27	AD55112	ND
2016-10-27	AD55107	ND
2016-10-27	AD55111	ND
2017-02-09	AD69897	ND
2017-02-09	AD69899	ND
2017-02-09	AD69928	ND
2017-02-09	AD69896	ND
2017-02-09	AD69895	ND
2017-02-09	AD69929	ND
2017-02-09	AD69900	ND
2017-02-09	AD69930	ND
2017-04-19	AD80141	ND
2017-04-19	AD80151	ND
2017-04-19	AD80143	ND
2017-04-19	AD80139	ND
2017-04-19	AD80147	ND
2017-04-19	AD80146	ND
2017-04-19	AD80140	ND
2017-04-19	AD80123	ND
2017-07-12	AD89049	ND
2017-07-12	AD89057	ND
2017-07-12	AD89046	ND
2017-07-12	AD89048	ND
2017-07-12	AD89030	ND
2017-07-12	AD89047	ND
2017-07-12	AD89043	ND
2017-07-12	AD89045	ND
2017-10-05	AD99532	ND
2017-10-05	AD99529	ND
2017-10-05	AD99531	ND
2017-10-05	AD99530	ND
2017-10-05	AD99527	ND
2017-10-05	AD99526	ND
2017-10-05	AD99528	ND
2017-10-05	AD99525	ND
2018-03-08	AE17517	ND
2018-03-08	AE17499	ND
2018-03-08	AE17489	ND
2018-03-08	AE17514	ND
2018-03-08	AE17513	ND
2018-03-08	AE17518	ND
2018-03-08	AE17515	ND
2018-03-08	AE17516	ND
2018-05-15	AE26344	ND
2018-05-15	AE26343	ND
2018-05-15	AE26334	ND
2018-05-15	AE26345	ND
2018-05-15	AE26337	ND
2018-05-15	AE26333	ND
2018-05-15	AE26329	ND
2018-05-15	AE26328	ND
2018-08-15	AE37178	ND
2018-08-15	AE37165	ND
2018-08-15	AE37168	ND
2018-08-15	AE37177	ND
2018-08-15	AE37166	ND
2018-08-15	AE37176	ND
2018-08-15	AE37164	ND
2018-08-15	AE37162	ND
2018-11-07	AE45594	ND
2018-11-07	AE45599	ND
2018-11-07	AE45591	ND
2018-11-07	AE45587	ND
2018-11-07	AE45595	ND
2018-11-07	AE45593	ND
2018-11-07	AE45590	ND
2018-11-07	AE45592	ND
2019-02-14	AE54745	ND
2019-02-14	AE54725	ND
2019-02-14	AE54733	ND
2019-02-14	AE54732	ND
2019-02-14	AE54723	ND
2019-02-14	AE54734	ND
2019-02-14	AE54729	ND
2019-02-14	AE54735	ND
2019-02-14	AE54736	ND
2019-05-22	AE67767	ND
2019-05-22	AE67601	ND
2019-05-22	AE67649	ND
2019-05-22	AE67602	ND
2019-05-22	AE67650	ND
2019-05-22	AE67648	ND
2019-05-22	AE67653	ND
2019-05-22	AE67652	ND
2019-05-22	AE67651	ND
2019-09-30	AE85091	ND
2019-09-30	AE85094	ND
2019-09-30	AE85092	ND
2019-09-30	AE85067	ND
2019-09-30	AE85101	ND
2019-09-30	AE85099	ND
2019-09-30	AE85098	ND
2019-09-30	AE85068	ND
2019-12-04	AE91227	ND
2019-12-04	AE91223	ND
2019-12-04	AE91231	ND
2019-12-04	AE91229	ND
2019-12-04	AE91230	ND
2019-12-04	AE91220	ND
2019-12-04	AE91226	ND
2019-12-04	AE91228	ND