5 days ago · Home Drinking Water Testing This document contains information and guidance on home water testing. EPA Home Water Testing Facts (pdf) (567.88 KB) EPA questions and answers on …

Dec 1, 2025 · Table of the National Primary Drinking Water Regulations (NPDWRs or primary standards) that are legally enforceable standards that apply to public water systems.

Nov 25, 2025 · The legal limit for a contaminant reflects the level that protects human health and that water systems can achieve using the best available technology. EPA rules also set water-testing …

Sep 18, 2025 · This page informs private drinking water well owners of the importance of testing, post-flood actions, and preventative measures to ensure well water quality.

Jul 23, 2025 · This page contains a list of links for the Approved Drinking Water Analytical Methods

Oct 28, 2025 · EPA protects drinking water by requiring that laboratories become certified to analyze drinking water samples and that they use analytical methods approved by EPA.

Aug 18, 2025 · EPA gives states primary responsibility for applying Safe Drinking Water Act (SDWA) standards that public water systems must follow. Public water systems use state-certified …

Home Drinking Water Testing Fact Sheet This document contains information and guidance on home water testing. You may need a PDF reader to view some of the files on this page. See EPA’s About …

Jul 1, 2024 · The U.S. Environmental Protection Agency's (EPA) rules that protect public drinking water systems do not apply to privately owned wells. Government officials do not regulate, treat, or monitor …

Here are some guidelines to follow when testing your water: Test your water every year for total coliform bacteria, nitrates, total dissolved solids, and pH levels.