Exceeds EPA Limit Chromium-6 EXCEEDS EPA LIMIT

Chromium-6 in Boerne, TX Drinking Water

Chromium-6 data for Boerne, Texas · 25,363 residents · 2 ZIP codes

Across Boerne, Texas, federal monitoring data has captured Chromium-6 in water samples at detectable concentrations in the most recent available reporting cycle.

100 ppb (total chromium MCL)
EPA MCL
10
EPA Violations
High
Health Risk
Reverse Osmosis or Strong-Base Anion Exchange
Best Filter Method

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

Chromium-6 in Boerne Tap Water

Boerne, Texas has 10 EPA violations related to chromium-6 in drinking water.

This analysis covers 25,363 residents across 2 ZIP codes in Boerne.

Boerne's overall water quality grade is B (71/100).

Is Chromium-6 in Boerne Water Safe?

Chromium-6 levels in parts of Boerne 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 Boerne

Date Violation Type Status ZIP Code
2023-04-01 Chromium-6 (Resolved) Resolved 78006
2023-04-01 Chromium-6 (Resolved) Resolved 78015
2023-01-01 Chromium-6 (Resolved) Resolved 78006
2023-01-01 Chromium-6 (Resolved) Resolved 78015
2021-10-01 Chromium-6 (Resolved) Resolved 78006
2021-10-01 Chromium-6 (Resolved) Resolved 78015
2021-07-01 Chromium-6 (Resolved) Resolved 78006
2021-07-01 Chromium-6 (Resolved) Resolved 78015
2021-04-01 Chromium-6 (Resolved) Resolved 78006
2021-04-01 Chromium-6 (Resolved) Resolved 78015

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 Boerne 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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