Exceeds EPA Limit Chromium-6 EXCEEDS EPA LIMIT

Chromium-6 in Carmel, CA Drinking Water

Chromium-6 data for Carmel, California · 12,377 residents · 2 ZIP codes

At elevated levels, Chromium-6 is a recognized health concern in drinking water; in Carmel, California, it has been detected in recent samples logged through federal compliance reporting.

100 ppb (total chromium MCL)
EPA MCL
18
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 Carmel Tap Water

Carmel, California has 18 EPA violations related to chromium-6 in drinking water.

This analysis covers 12,377 residents across 2 ZIP codes in Carmel.

Carmel's overall water quality grade is B (76/100).

Is Chromium-6 in Carmel Water Safe?

Chromium-6 levels in parts of Carmel 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 Carmel

Date Violation Type Status ZIP Code
2023-04-01 Chromium-6 (Known) Known 93922
2023-04-01 Chromium-6 (Known) Known 93923
2023-01-01 Chromium-6 (Known) Known 93922
2023-01-01 Chromium-6 (Known) Known 93923
2022-10-01 Chromium-6 (Known) Known 93922
2022-10-01 Chromium-6 (Known) Known 93923
2022-07-01 Chromium-6 (Known) Known 93922
2022-07-01 Chromium-6 (Known) Known 93923
2022-04-01 Chromium-6 (Known) Known 93922
2022-04-01 Chromium-6 (Known) Known 93923
2022-01-01 Chromium-6 (Known) Known 93922
2022-01-01 Chromium-6 (Known) Known 93923
2021-10-01 Chromium-6 (Known) Known 93922
2021-10-01 Chromium-6 (Known) Known 93923
2021-07-01 Chromium-6 (Known) Known 93922
2021-07-01 Chromium-6 (Known) Known 93923
2021-04-01 Chromium-6 (Known) Known 93922
2021-04-01 Chromium-6 (Known) Known 93923

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 Carmel 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.

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