Tap water quality for ZIP 74631
2 community water systems linked to this ZIP, largest first.
⚠ Some links below are based on the utility's mailing address, not its mapped service area, and may be approximate.
What this means for you in ZIP 74631
- Is it safe to drink right now?
- Based on the latest EPA data, Blackwell Municipal Authority has no unresolved health-based violations from the past year. Water that meets federal standards is generally considered safe to drink for most healthy people.
- Should I use a filter?
- It's worth considering. Blackwell Municipal Authority has a D because of its violation record over the past 5 years (9 health-based), even though nothing is flagged as unresolved in the last year. A filter matched to the contaminants in its violation history is a reasonable precaution.
- What kind of filter?
- See matched standards and product picks.
This is general information from public EPA data, not medical advice. Lead often comes from a home’s own pipes, so only a test of your tap can tell your exposure. If you are pregnant, caring for an infant, or have a weakened immune system, ask your doctor or health department.
Shown for the largest system linked to this ZIP. Check your water bill to confirm your provider.
Filters matched to Blackwell Municipal Authority
Look for filters certified (NSF, IAPMO or WQA) to these standards for the specific contaminant. Buttons open the maker’s page or an Amazon search; use “Check NSF listing” to verify a model’s claims. No affiliate links yet — grades are never sold.
Total Trihalomethanes (TTHM)
NSF/ANSI 53 (VOC claim)Chlorine/chloramine taste
NSF/ANSI 42Annual water quality report
Utilities must publish a Consumer Confidence Report every year by July 1. Find it on the utility’s website or ask them directly; EPA explains how. · Full report →