Detected Lead

Lead in Marlow, OK Drinking Water

Lead data for Marlow, Oklahoma · 9,639 residents · 1 ZIP code

ZipCheckup's reading of Lead in Marlow, Oklahoma: the highest detected level is 2.3 ppb; the EPA limit is 15 ppb (action level). Lead carries a high health-risk designation.

Within Marlow, Oklahoma, Lead has been detected in water samples drawn from the public supply - the results are part of the official EPA compliance record for systems here.

2.3 ppb
Max Level Detected
2.3 ppb
Average Level
15 ppb (action level)
EPA action level
High
Health Risk
Reverse Osmosis or NSF 53 Carbon Block
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13

Lead in Marlow Tap Water

Lead has been detected in Marlow, Oklahoma drinking water at a maximum level of 2.3 ppb — below the EPA action level of 15 ppb (action level).

This analysis covers 9,639 residents across 1 ZIP code in Marlow.

Marlow's overall water quality grade is A (90/100).

Is Lead in Marlow Water Safe?

Lead was detected in Marlow water but currently falls within EPA limits. However, some health organizations argue the EPA action level may not be protective enough — the CDC states there is no safe level of lead for children.

If you are concerned, a reverse osmosis or nsf 53 carbon block filter can reduce lead levels further.

Lead Levels by ZIP Code

ZIP Code Lead Level EPA Limit Status
73055 2.3 ppb 15 ppb (action level) OK

Average lead level across Marlow: 2.3 ppb

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 Marlow 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.

Related

HomeContaminantsLeadOklahoma → Marlow

How to cite this page

APA ZipCheckup. (2026). Lead in Marlow, OK Drinking Water. https://zipcheckup.com/contaminants/lead/marlow-ok/
BibTeX
@misc{zipcheckup-contaminants-lead-marlow-ok,
  author = {{ZipCheckup}},
  title  = {{Lead in Marlow, OK Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/lead/marlow-ok/}
}

Data as of July 2026.

Check your water filter options Free tool - no phone call required.