Exceeds EPA Limit Lead EXCEEDS EPA LIMIT

Lead in Ripon, WI Drinking Water

Lead data for Ripon, Wisconsin · 7,716 residents · 1 ZIP code

Across the water systems that serve Ripon, Wisconsin, Lead has appeared in EPA compliance samples — standard municipal treatment targets this contaminant, though detections in the compliance record indicate it has reached household taps at measurable levels.

28 ppb
Max Level Detected
28 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: 2026-05-14

Lead in Ripon Tap Water

Lead has been detected in Ripon, Wisconsin drinking water at a maximum level of 28 ppb1.87x the EPA action level.

This analysis covers 7,716 residents across 1 ZIP code in Ripon.

Ripon's overall water quality grade is D (44/100).

Is Lead in Ripon Water Safe?

Lead levels in parts of Ripon 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.

Lead Levels by ZIP Code

ZIP Code Lead Level EPA Limit Status
54971 28 ppb 15 ppb (action level) Exceeds limit

Average lead level across Ripon: 28 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 Ripon 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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