Public water system

Regional Water Authority

PWSID CT0930011 - New Haven County, Connecticut

39 PPM
2.3 GPG
Soft
0Soft60120180300+
Soft (39 PPM)High Confidence - USGS Monitoring

System Details

Water source
surface water
Population served
418,900
Service connections
115,707
Status
Active

Hardness Evidence

Reported hardness
39 PPM
Grains per gallon
2.3 GPG
Data source
USGS monitoring
Source year
N/A

Linked City Reports

Served ZIP Codes

ZIPLocationZIP average
06401Ansonia, CTSoft (52 PPM)
06403Beacon Falls, CTSoft (55 PPM)
06405Branford, CTSoft (52 PPM)
06410Cheshire, CTSoft (56 PPM)
06418Derby, CTSoft (52 PPM)
06437Guilford, CTSoft (52 PPM)
06443Madison, CTSoft (52 PPM)
06450Meriden, CTSoft (52 PPM)
06451Meriden, CTSoft (52 PPM)
06460Milford, CTSoft (52 PPM)
06471North Branford, CTSoft (52 PPM)
06472Northford, CTSoft (52 PPM)
06473North Haven, CTSoft (52 PPM)
06477Orange, CTSoft (52 PPM)
06478Oxford, CTSoft (52 PPM)
06483Seymour, CTSoft (55 PPM)
06488Southbury, CTSoft (52 PPM)
06489Southington, CTSlightly Hard (62 PPM)
06492Wallingford, CTSoft (52 PPM)
06510New Haven, CTSoft (52 PPM)
06511New Haven, CTSoft (52 PPM)
06512East Haven, CTSoft (52 PPM)
06513East Haven, CTSoft (52 PPM)
06514Hamden, CTSoft (52 PPM)
06515New Haven, CTSoft (52 PPM)
06516West Haven, CTSoft (52 PPM)
06517Hamden, CTSoft (52 PPM)
06518Hamden, CTSoft (52 PPM)
06519New Haven, CTSoft (52 PPM)
06524Bethany, CTSoft (52 PPM)
06525Woodbridge, CTSoft (52 PPM)
06702Waterbury, CTSoft (53 PPM)
06704Waterbury, CTSoft (53 PPM)
06705Waterbury, CTSoft (53 PPM)
06706Waterbury, CTSoft (53 PPM)
06708Waterbury, CTSoft (53 PPM)
06710Waterbury, CTSoft (53 PPM)
06712Prospect, CTSoft (52 PPM)
06716Wolcott, CTSoft (56 PPM)
06762Middlebury, CTSoft (52 PPM)
06770Naugatuck, CTSoft (53 PPM)

How to Use This System Page

A public water system can serve multiple ZIP codes and cities. Use this page to inspect the source behind the hardness reading, then open the linked ZIP or city page for the local rollup.

If you are sizing treatment equipment, confirm your actual tap hardness with a home test or lab test before buying.