Chloride in New York well water
In New York, chloride was detected in 100% of 37,718 tested private well samples.
Chloride mainly comes from road salt and water softener discharge. Above 250 mg/L water tastes salty and corrodes plumbing. Rising chloride in a well usually means road salt is reaching the aquifer.
Check your chloride 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 chloride
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 chloride
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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 chloride
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 chloride 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 |
|---|---|---|---|---|---|
| Chemung | no limit | 67 | 100% | 22 | 1,630 mg/L |
| New York | no limit | 33 | 100% | 310 | 13,700 mg/L |
| Essex | no limit | 286 | 100% | 49.1 | 2,280 mg/L |
| Franklin | no limit | 30 | 100% | 3.06 | 386 mg/L |
| Genesee | no limit | 43 | 100% | 37 | 407 mg/L |
| Cayuga | no limit | 44 | 100% | 10.5 | 1,230 mg/L |
| Hamilton | no limit | 162 | 100% | 0.5 | 1,440 mg/L |
| Herkimer | no limit | 531 | 100% | 0.6 | 687 mg/L |
| Jefferson | no limit | 123 | 100% | 6 | 1,080 mg/L |
| Kings | no limit | 357 | 100% | 110 | 18,000 mg/L |
| Lewis | no limit | 30 | 100% | 9.94 | 647 mg/L |
| Monroe | no limit | 285 | 100% | 222 | 8,710 mg/L |
| Montgomery | no limit | 83 | 100% | 26 | 4,190 mg/L |
| Greene | no limit | 69 | 100% | 24 | 13,000 mg/L |
| Oneida | no limit | 96 | 100% | 7.94 | 10,000 mg/L |
- Brighton, Monroe County100% detected of 60
- Penfield, Monroe County100% detected of 155
- Windham, Greene County100% detected of 46
- Concord, Erie County100% detected of 35
- Lancaster, Erie County100% detected of 32
- Webb, Herkimer County100% detected of 480
- Le Ray, Jefferson County100% detected of 62
- Smithtown, Suffolk County100% detected of 780
- Manhattan borough, New York County100% detected of 33
- Clarence, Erie County100% detected of 39
- Long Beach, Nassau County100% detected of 375
- North Elba, Essex County100% detected of 128
- Wilmington, Essex County100% detected of 100
- Southold, Suffolk County100% detected of 281
- Wawarsing, Ulster County100% detected of 45
- East Hampton, Suffolk County100% detected of 881
- Brooklyn borough, Kings County100% detected of 357
- Sardinia, Erie County100% detected of 48
- Riverhead, Suffolk County100% detected of 763
- Canajoharie, Montgomery County100% detected of 37
Sources
- Individual samples from the USGS Water Quality Portal and state monitoring, summarized per geography. chloride counts and shares are listed on each county and town page with their sources.