Exceeds EPA Limit Chromium-6 EXCEEDS EPA LIMIT

Chromium-6 in Presque Isle, ME Drinking Water

Chromium-6 data for Presque Isle, Maine · 8,736 residents · 1 ZIP code

Chromium-6 is regulated under the Safe Drinking Water Act because of its potential health effects at elevated concentrations; for residents of Presque Isle, Maine, the relevant fact is that it has shown up in recent EPA compliance samples — point-of-use filtration is one option residents research, alongside reviewing the utility's published treatment data.

100 ppb (total chromium MCL)
EPA MCL
2
EPA Violations
High
Health Risk
Reverse Osmosis or Strong-Base Anion Exchange
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05

Chromium-6 in Presque Isle Tap Water

Presque Isle, Maine has 2 EPA violations related to chromium-6 in drinking water.

This analysis covers 8,736 residents across 1 ZIP code in Presque Isle.

Presque Isle's overall water quality grade is C (60/100).

Is Chromium-6 in Presque Isle Water Safe?

Chromium-6 levels in parts of Presque Isle exceed the EPA MCL of 100 ppb (total chromium MCL). 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 strong-base anion exchange filter certified under NSF 58 and testing your water independently.

EPA Violations for Chromium-6 in Presque Isle

Date Violation Type Status ZIP Code
2022-07-01 Chromium (Resolved) Resolved 04769
2022-04-01 Chromium (Resolved) Resolved 04769

Health Effects of Chromium-6

  • Stomach and intestinal cancer (likely carcinogen via ingestion)
  • Known carcinogen when inhaled
  • Liver and kidney damage
  • Reproductive and developmental harm

Health risk severity: High. Governed by the National Primary Drinking Water Regulations.

How Chromium-6 Gets Into Drinking Water

  • Industrial discharge from steel and pulp mills
  • Natural erosion of chromium deposits
  • Coal ash disposal sites
  • Cooling tower discharge

What to Do About Chromium-6 in Presque Isle Water

  1. Reverse osmosis systems are most effective
  2. Strong-base anion exchange can reduce chromium-6
  3. Standard carbon filters are NOT effective for chromium-6
  4. Look for NSF 58 certification

Look for filters certified under NSF 58 for chromium-6 removal.

Related

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