Exceeds EPA Limit Arsenic EXCEEDS EPA LIMIT

Arsenic in Waco, TX Drinking Water

Arsenic data for Waco, Texas · 161,622 residents · 17 ZIP codes

Not every city shows Arsenic in its water data; in Waco, Texas, federal sampling has confirmed its presence at detectable levels in at least one recent reporting cycle.

10 ppb
EPA MCL
15
EPA Violations
High
Health Risk
Reverse Osmosis
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-06-04

Arsenic in Waco Tap Water

Waco, Texas has 15 EPA violations related to arsenic in drinking water.

This analysis covers 161,622 residents across 17 ZIP codes in Waco.

Waco's overall water quality grade is A (91/100).

Is Arsenic in Waco Water Safe?

Arsenic levels in parts of Waco exceed the EPA MCL of 10 ppb. The EPA requires water systems to take corrective action when this limit is exceeded.

If you live in an affected ZIP code, consider installing a reverse osmosis filter certified under NSF 53 / NSF 58 and testing your water independently.

EPA Violations for Arsenic in Waco

Date Violation Type Status ZIP Code
2025-10-01 Arsenic (Known) Known 76705
2025-10-01 Arsenic (Known) Known 76705
2025-10-01 Arsenic (Known) Known 76705
2025-10-01 Arsenic (Known) Known 76705
2025-07-01 Arsenic (Known) Known 76705
2025-07-01 Arsenic (Known) Known 76705
2025-07-01 Arsenic (Known) Known 76705
2025-07-01 Arsenic (Known) Known 76705
2025-04-01 Arsenic (Known) Known 76705
2025-04-01 Arsenic (Known) Known 76705
2025-04-01 Arsenic (Known) Known 76705
2025-04-01 Arsenic (Known) Known 76705
2025-01-01 Arsenic (Known) Known 76705
2025-01-01 Arsenic (Known) Known 76705
2025-01-01 Arsenic (Known) Known 76705

Health Effects of Arsenic

  • Increased risk of skin, bladder, lung, and kidney cancer
  • Cardiovascular disease and type 2 diabetes
  • Skin changes (darkening, thickening, lesions)
  • Developmental effects in children exposed in utero

Health risk severity: High. Governed by the Arsenic Rule (2006).

How Arsenic Gets Into Drinking Water

  • Natural deposits in rock and soil (especially in western U.S.)
  • Runoff from orchards and glass/electronics production
  • Historical use of arsenic-based pesticides
  • Well water in areas with arsenic-rich geology

What to Do About Arsenic in Waco Water

  1. Install a reverse osmosis (RO) system certified under NSF 58
  2. Adsorptive media filters (iron-based) can also reduce arsenic
  3. Have well water tested if on a private supply
  4. Boiling water does NOT remove arsenic — it concentrates it

Look for filters certified under NSF 53 / NSF 58 for arsenic removal.

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