Public water system

Riverhead Water District

PWSID NY5103705 - Suffolk County, New York

24 PPM
1.4 GPG
Soft
0Soft60120180300+
Soft (24 PPM)High Confidence - USGS Monitoring

System Details

Water source
groundwater
Population served
35,000
Service connections
9,334
Status
Active

Hardness Evidence

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

Linked City Reports

Served ZIP Codes

ZIPLocationZIP average
11701Amityville, NYSoft (35 PPM)
11702Oak Beach, NYSoft (35 PPM)
11703North Babylon, NYSoft (35 PPM)
11704West Babylon, NYSoft (35 PPM)
11705Bayport, NYSoft (35 PPM)
11706Kismet, NYSoft (35 PPM)
11713Bellport, NYSoft (35 PPM)
11715Blue Point, NYSoft (35 PPM)
11716Bohemia, NYSoft (35 PPM)
11717West Brentwood, NYSoft (35 PPM)
11718Brightwaters, NYSoft (35 PPM)
11719Brookhaven, NYSoft (35 PPM)
11720Centereach, NYSoft (35 PPM)
11721Centerport, NYSoft (35 PPM)
11722Central Islip, NYSoft (35 PPM)
11724Cold Spring Harb, NYSoft (35 PPM)
11725Commack, NYSoft (35 PPM)
11726Copiague, NYSoft (35 PPM)
11727Coram, NYSoft (35 PPM)
11729Deer Park, NYSoft (35 PPM)
11730East Islip, NYSoft (35 PPM)
11731Elwood, NYSoft (35 PPM)
11733Setauket, NYSoft (35 PPM)
11738Farmingville, NYSoft (35 PPM)
11740Greenlawn, NYSoft (35 PPM)
11741Holbrook, NYSoft (35 PPM)
11742Holtsville, NYSoft (35 PPM)
11743Halesite, NYSoft (35 PPM)
11746Dix Hills, NYSoft (35 PPM)
11747Melville, NYSoft (35 PPM)
11751Islip, NYSoft (35 PPM)
11752Islip Terrace, NYSoft (35 PPM)
11754Kings Park, NYSoft (35 PPM)
11755Lake Grove, NYSoft (35 PPM)
11757Lindenhurst, NYSoft (35 PPM)
11763Medford, NYSoft (35 PPM)
11764Miller Place, NYSoft (35 PPM)
11766Mount Sinai, NYSoft (35 PPM)
11767Nesconset, NYSoft (35 PPM)
11768Northport, NYSoft (35 PPM)
11769Oakdale, NYSoft (35 PPM)
11770Ocean Beach, NYSoft (35 PPM)
11772Davis Park, NYSoft (35 PPM)
11776Port Jefferson S, NYSoft (35 PPM)
11777Port Jefferson, NYSoft (35 PPM)
11778Rocky Point, NYSoft (35 PPM)
11779Lake Ronkonkoma, NYSoft (35 PPM)
11780Saint James, NYSoft (35 PPM)
11782Cherry Grove, NYSoft (35 PPM)
11784Selden, NYSoft (35 PPM)
11786Shoreham, NYSoft (35 PPM)
11787Smithtown, NYSoft (35 PPM)
11788Hauppauge, NYSoft (35 PPM)
11789Sound Beach, NYSoft (35 PPM)
11790Stony Brook, NYSoft (35 PPM)
11792Wading River, NYSoft (35 PPM)
11795West Islip, NYSoft (35 PPM)
11796West Sayville, NYSoft (35 PPM)
11798Wheatley Heights, NYSoft (35 PPM)
11901Riverhead, NYSoft (35 PPM)
11930Amagansett, NYSoft (35 PPM)
11932Bridgehampton, NYSoft (35 PPM)
11933Calverton, NYSoft (35 PPM)
11934Center Moriches, NYSoft (35 PPM)
11935Cutchogue, NYSoft (35 PPM)
11937East Hampton, NYSoft (35 PPM)
11939East Marion, NYSoft (35 PPM)
11940East Moriches, NYSoft (35 PPM)
11941Eastport, NYSoft (35 PPM)
11942East Quogue, NYSoft (35 PPM)
11944Greenport, NYSoft (35 PPM)
11946Hampton Bays, NYSoft (35 PPM)
11947Jamesport, NYSoft (35 PPM)
11948Laurel, NYSoft (35 PPM)
11949Manorville, NYSoft (35 PPM)
11950Mastic, NYSoft (35 PPM)
11951Mastic Beach, NYSoft (35 PPM)
11952Mattituck, NYSoft (35 PPM)
11953Middle Island, NYSoft (35 PPM)
11954Montauk, NYSoft (35 PPM)
11955Moriches, NYSoft (35 PPM)
11956New Suffolk, NYSoft (35 PPM)
11957Orient, NYSoft (35 PPM)
11958Peconic, NYSoft (35 PPM)
11959Quogue, NYSoft (35 PPM)
11960Remsenburg, NYSoft (35 PPM)
11961Ridge, NYSoft (35 PPM)
11962Sagaponack, NYSoft (35 PPM)
11963Sag Harbor, NYSoft (35 PPM)
11964Shelter Island, NYSoft (35 PPM)
11965Shelter Island H, NYSoft (35 PPM)
11967Shirley, NYSoft (35 PPM)
11968Southampton, NYSoft (35 PPM)
11970South Jamesport, NYSoft (35 PPM)
11971Southold, NYSoft (35 PPM)
11972Speonk, NYSoft (35 PPM)
11975Wainscott, NYSoft (35 PPM)
11976Water Mill, NYSoft (35 PPM)
11977Westhampton, NYSoft (35 PPM)
11978Westhampton Beac, NYSoft (35 PPM)
11980Yaphank, NYSoft (35 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.