Sodium in New York well water
In New York, sodium was detected in 99% of 25,779 tested private well samples.
Sodium enters wells with road salt and from softeners. EPA's guidance level of 20 mg/L matters for people on sodium-restricted diets; most people are not affected below 250 mg/L.
Check your sodium number
Type the value from your lab report. It is compared to the EPA limit, the same way the full interpretation does it.
Test your New York well for sodium
Certified lab analysis of your own tap water, bottles and prepaid return shipping included. The Essential well panel covers arsenic, uranium, nitrate, lead, copper, manganese, iron, sodium and bacteria; radon and PFAS are add-ons.
Order the Tap Score well water test kit, from $209Already tested? Upload the report
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Systems that remove sodium
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Some links below are affiliate links. If you buy through one, the merchant pays us a commission at no extra cost to you. It does not change which products we list or what the data says.
For sodium
Under-sink reverse osmosis system
under-sink or countertop, about $300
Look for NSF/ANSI 58 certification listing the contaminant you need removed.
Rather have it installed and sized for your well? Book a free in-home water test with a licensed local company.
Where to get a well tested for sodium in New York: certified labs, state programs and prices.
By county, from individual samples
Public monitoring samples against the EPA limit; counties with at least 30 samples.
| County | Above EPA limit | Samples | Detected | Median | Highest |
|---|---|---|---|---|---|
| Wayne | no limit | 40 | 100% | 21 | 660 mg/L |
| Allegany | no limit | 69 | 100% | 38.1 | 63,000 mg/L |
| Broome | no limit | 87 | 100% | 16 | 1,200 mg/L |
| Clinton | no limit | 50 | 100% | 8.63 | 148 mg/L |
| Cortland | no limit | 93 | 100% | 14 | 170 mg/L |
| Delaware | no limit | 45 | 100% | 9.39 | 136 mg/L |
| Dutchess | no limit | 36 | 100% | 14 | 130 mg/L |
| Erie | no limit | 201 | 100% | 16 | 539 mg/L |
| Essex | no limit | 279 | 100% | 42.3 | 1,440 mg/L |
| Greene | no limit | 59 | 100% | 50 | 6,600 mg/L |
| Herkimer | no limit | 529 | 100% | 1.54 | 333 mg/L |
| Jefferson | no limit | 61 | 100% | 16.5 | 330 mg/L |
| Kings | no limit | 327 | 100% | 54.6 | 10,300 mg/L |
| Monroe | no limit | 274 | 100% | 120 | 3,770 mg/L |
| Sullivan | no limit | 38 | 100% | 6.17 | 43.2 mg/L |
- Concord, Erie County100% detected of 30
- Sardinia, Erie County100% detected of 41
- Clarence, Erie County100% detected of 34
- Clifton Park, Saratoga County100% detected of 53
- North Elba, Essex County100% detected of 129
- Wilmington, Essex County100% detected of 100
- Wheatfield, Niagara County100% detected of 38
- Brooklyn borough, Kings County100% detected of 327
- Schroeppel, Oswego County100% detected of 43
- Manhattan borough, New York County100% detected of 33
- Long Beach, Nassau County100% detected of 125
- Southold, Suffolk County100% detected of 215
- Smithtown, Suffolk County100% detected of 760
- Webb, Herkimer County100% detected of 480
- Windham, Greene County100% detected of 46
- Penfield, Monroe County100% detected of 154
- Brighton, Monroe County100% detected of 60
- Cortlandville, Cortland County100% detected of 42
- Staten Island borough, Richmond County100% detected of 68
- Islip, Suffolk County100% detected of 2,218
Sources
- Individual samples from the USGS Water Quality Portal and state monitoring, summarized per geography. sodium counts and shares are listed on each county and town page with their sources.