Dalapon

Brownsville Public Utilities Board

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
2014-03-05	AC45671	ND
2014-03-05	AC45658	ND
2014-03-05	AC45682	ND
2014-03-05	AC45677	ND
2014-03-05	AC45679	ND
2014-03-05	AC45678	ND
2014-03-05	AC45691	ND
2014-03-05	AC45692	ND
2014-06-04	AC55990	ND
2014-06-04	AC55989	ND
2014-06-04	AC56010	ND
2014-06-04	AC56011	ND
2014-06-04	AC55996	ND
2014-06-04	AC55992	ND
2014-06-04	AC56039	ND
2014-06-04	AC55988	ND
2014-09-24	AC68141	ND
2014-09-24	AC68137	ND
2014-09-24	AC68156	ND
2014-09-24	AC68138	ND
2014-09-24	AC68144	ND
2014-09-24	AC68155	ND
2014-09-24	AC68157	ND
2014-09-24	AC68158	ND
2014-11-19	AC72442	ND
2014-11-19	AC72441	ND
2014-11-19	AC72469	ND
2014-11-19	AC72464	ND
2014-11-19	AC72467	ND
2014-11-19	AC72443	ND
2014-11-19	AC72466	ND
2014-11-19	AC72468	ND
2015-02-25	AC81870	ND
2015-02-25	AC81855	ND
2015-02-25	AC81851	ND
2015-02-25	AC81853	ND
2015-02-25	AC81857	ND
2015-02-25	AC81852	ND
2015-02-25	AC81871	ND
2015-02-25	AC81854	ND
2015-05-27	AC93481	ND
2015-05-27	AC93479	ND
2015-05-27	AC93495	ND
2015-05-27	AC93499	ND
2015-05-27	AC93497	ND
2015-05-27	AC93480	ND
2015-05-27	AC93471	ND
2015-05-27	AC93482	ND
2015-09-24	AD08468	ND
2015-09-24	AD08439	ND
2015-09-24	AD08435	ND
2015-09-24	AD08471	ND
2015-09-24	AD08425	ND
2015-09-24	AD08469	ND
2015-09-24	AD08438	ND
2015-09-24	AD08470	ND
2015-11-10	AD13143	ND
2015-11-10	AD13152	ND
2015-11-10	AD13154	ND
2015-11-10	AD13144	ND
2015-11-10	AD13141	ND
2015-11-10	AD13147	ND
2015-11-10	AD13155	ND
2015-11-10	AD13146	ND
2016-03-09	AD27993	ND
2016-03-09	AD27842	ND
2016-03-09	AD27843	ND
2016-03-09	AD27839	ND
2016-03-09	AD27838	ND
2016-03-09	AD27844	ND
2016-03-09	AD27841	ND
2016-03-09	AD27847	ND
2016-03-09	AD27846	ND
2016-05-19	AD37545	ND
2016-05-19	AD37469	ND
2016-05-19	AD37458	ND
2016-05-19	AD37462	ND
2016-05-19	AD37473	ND
2016-05-19	AD37463	ND
2016-05-19	AD37460	ND
2016-05-19	AD37471	ND
2016-05-19	AD37457	ND
2016-07-28	AD46101	ND
2016-07-28	AD46142	ND
2016-07-28	AD46143	ND
2016-07-28	AD46139	ND
2016-07-28	AD46099	ND
2016-07-28	AD46102	ND
2016-07-28	AD46141	ND
2016-07-28	AD46098	ND
2016-12-07	AD60852	ND
2016-12-07	AD60853	ND
2016-12-07	AD60854	ND
2016-12-07	AD60855	ND
2016-12-07	AD60856	ND
2016-12-07	AD60857	ND
2016-12-07	AD60858	ND
2016-12-07	AD60859	ND
2017-03-01	AD72734	ND
2017-03-01	AD72736	ND
2017-03-01	AD72743	ND
2017-03-01	AD72744	ND
2017-03-01	AD72730	ND
2017-03-01	AD72729	ND
2017-03-01	AD72735	ND
2017-03-01	AD72731	ND
2017-05-04	AD82747	ND
2017-05-04	AD82678	ND
2017-05-04	AD82684	ND
2017-05-04	AD82681	ND
2017-05-04	AD82682	ND
2017-05-04	AD82745	ND
2017-05-04	AD82744	ND
2017-05-04	AD82679	ND
2017-08-16	AD93220	ND
2017-08-16	AD93211	ND
2017-08-16	AD93221	ND
2017-08-16	AD93212	ND
2017-08-16	AD93214	ND
2017-08-16	AD93218	ND
2017-08-16	AD93215	ND
2017-08-16	AD93217	ND
2017-11-28	AE05927	ND
2017-11-28	AE05923	ND
2017-11-28	AE05928	ND
2017-11-28	AE05929	ND
2017-11-28	AE05932	ND
2017-11-28	AE05931	ND
2017-11-28	AE05926	ND
2017-11-28	AE05924	ND
2018-02-21	AE14666	ND
2018-02-21	AE14670	ND
2018-02-21	AE14669	ND
2018-02-21	AE14671	ND
2018-02-21	AE14667	ND
2018-02-21	AE14664	ND
2018-02-21	AE14663	ND
2018-02-21	AE14665	ND
2018-06-06	AE28845	ND
2018-06-06	AE28849	ND
2018-06-06	AE28848	ND
2018-06-06	AE28847	ND
2018-06-06	AE28843	ND
2018-06-06	AE28846	ND
2018-06-06	AE28842	ND
2018-06-06	AE28844	ND
2018-08-07	AE35956	ND
2018-08-07	AE35952	ND
2018-08-07	AE35951	ND
2018-08-07	AE35959	ND
2018-08-07	AE35944	ND
2018-08-07	AE35957	ND
2018-08-07	AE35949	ND
2018-08-07	AE35948	ND
2018-11-13	AE46081	ND
2018-11-13	AE46090	ND
2018-11-13	AE46083	ND
2018-11-13	AE46085	ND
2018-11-13	AE46091	ND
2018-11-13	AE46084	ND
2018-11-13	AE46088	ND
2018-11-13	AE46086	ND
2019-02-04	AE52989	ND
2019-02-04	AE52861	ND
2019-02-04	AE52859	ND
2019-02-04	AE52879	ND
2019-02-04	AE52882	ND
2019-02-04	AE52880	ND
2019-02-04	AE52858	ND
2019-02-04	AE52881	ND
2019-02-04	AE52862	ND
2019-05-08	AE65409	ND
2019-05-08	AE65407	ND
2019-05-08	AE65408	ND
2019-05-08	AE65387	ND
2019-05-08	AE65411	ND
2019-05-08	AE65410	ND
2019-05-08	AE65388	ND
2019-05-08	AE65406	ND
2019-07-09	AE73753	ND
2019-07-09	AE73652	ND
2019-07-09	AE73661	ND
2019-07-09	AE73630	ND
2019-07-09	AE73664	ND
2019-07-09	AE73656	ND
2019-07-09	AE73634	ND
2019-07-09	AE73663	ND
2019-07-09	AE73662	ND
2019-10-08	AE85956	ND
2019-10-08	AE85950	ND
2019-10-08	AE85960	ND
2019-10-08	AE85951	ND
2019-10-08	AE85953	ND
2019-10-08	AE85957	ND
2019-10-08	AE85954	ND
2019-10-08	AE85959	ND