Exceeds EPA Limit Lead EXCEEDS EPA LIMIT

Lead in Guymon, OK Drinking Water

Lead data for Guymon, Oklahoma · 11,442 residents · 1 ZIP code

Over the past reporting period, water systems in Guymon, Oklahoma have recorded Lead at detectable concentrations in EPA compliance samples.

15 ppb (action level)
EPA action level
1
EPA Violations
High
Health Risk
Reverse Osmosis or NSF 53 Carbon Block
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14

Lead in Guymon Tap Water

Guymon, Oklahoma has 1 EPA violation related to lead in drinking water.

This analysis covers 11,442 residents across 1 ZIP code in Guymon.

Guymon's overall water quality grade is B (74/100).

Is Lead in Guymon Water Safe?

Lead levels in parts of Guymon exceed the EPA action level of 15 ppb (action level). 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 or nsf 53 carbon block filter certified under NSF 53 / NSF 58 and testing your water independently.

EPA Violations for Lead in Guymon

Date Violation Type Status ZIP Code
2025-01-01 Lead (combined) (Known) Known 73942

Health Effects of Lead

  • Brain development delays and reduced IQ in children
  • Behavioral problems and learning disabilities
  • High blood pressure and kidney damage in adults
  • Increased risk of premature birth in pregnant women

Health risk severity: High. Governed by the Lead and Copper Rule Revisions (LCRR/LCRI).

How Lead Gets Into Drinking Water

  • Corrosion of lead service lines (pipes connecting water main to home)
  • Lead solder in copper plumbing joints (pre-1986 homes)
  • Brass fixtures and faucets manufactured before 2014
  • Stagnant water that sits in lead-containing pipes overnight

What to Do About Lead in Guymon Water

  1. Install an NSF 53 or NSF 58 certified filter at kitchen sink
  2. Run cold water for 30 seconds before using for drinking or cooking
  3. Use cold water only for cooking and preparing formula
  4. Consider whole-home reverse osmosis if lead service line is present

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

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