The City of Mathis is currently under a boil water notice, while the city of Corpus Christi is not — and the difference comes down to how each city manages its water system.
Both cities must comply with Texas Commission on Environmental Quality standards. Mathis tested its water and found low disinfectant residuals, triggering a boil water notice. Residents are advised to boil water before cooking, drinking, or washing.
Corpus Christi, meanwhile, made upgrades about 10 years ago, increasing monitoring sites and testing its water 365 days a year…