Chromium-6 in East Hanover, NJ Drinking Water
Chromium-6 data for East Hanover, New Jersey · 11,106 residents · 1 ZIP code
Routine testing in East Hanover, New Jersey turned up Chromium-6 — samples from the public supply came back positive, placing this contaminant on the list of substances residents here have a concrete reason to look into.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05
Chromium-6 in East Hanover Tap Water
Chromium-6 has been detected in East Hanover, New Jersey drinking water at a maximum level of 100 ppb — below the EPA MCL of 100 ppb (total chromium MCL).
This analysis covers 11,106 residents across 1 ZIP code in East Hanover.
East Hanover's overall water quality grade is D (50/100).
Is Chromium-6 in East Hanover Water Safe?
Chromium-6 was detected in East Hanover water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.
If you are concerned, a reverse osmosis or strong-base anion exchange filter can reduce chromium-6 levels further.
Chromium-6 Levels by ZIP Code
| ZIP Code | Chromium-6 Level | EPA Limit | Status |
|---|---|---|---|
| 07936 | 100 ppb | 100 ppb (total chromium MCL) | OK |
Average chromium-6 level across East Hanover: 100 ppb
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 East Hanover Water
- Reverse osmosis systems are most effective
- Strong-base anion exchange can reduce chromium-6
- Standard carbon filters are NOT effective for chromium-6
- Look for NSF 58 certification
Look for filters certified under NSF 58 for chromium-6 removal.