Manganese in New York well water
In New York, manganese was detected in 67% of 32,638 tested private well samples.
Manganese stains fixtures and laundry above 50 ug/L. EPA's health advisory is 300 ug/L; infants are the most sensitive, and newer research links elevated manganese to neurological effects in children. It is one of the most common private well problems in New England.
Check your manganese 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 manganese
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 manganese
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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 manganese
Iron and manganese oxidizing filter
whole-house, at the point of entry, about $1,800
Air-injection or greensand media; fixes staining at the source.
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 manganese 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 |
|---|---|---|---|---|---|
| Richmond | no limit | 67 | 100% | 162 | 5,680 ug/L |
| New York | no limit | 33 | 100% | 752 | 4,420 ug/L |
| Tompkins | no limit | 91 | 100% | 100 | 421 ug/L |
| Niagara | no limit | 35 | 100% | 70 | 220 ug/L |
| Steuben | no limit | 77 | 97% | 50 | 8,000 ug/L |
| Wayne | no limit | 38 | 97% | 50 | 490 ug/L |
| Sullivan | no limit | 38 | 97% | 5.45 | 618 ug/L |
| Greene | no limit | 68 | 97% | 48.3 | 260,000 ug/L |
| Orange | no limit | 125 | 95% | 56 | 4,500 ug/L |
| Allegany | no limit | 60 | 95% | 61.5 | 5,000 ug/L |
| Onondaga | no limit | 121 | 93% | 21.2 | 2,490 ug/L |
| Broome | no limit | 89 | 93% | 160 | 6,900 ug/L |
| Monroe | no limit | 59 | 93% | 15.4 | 4,800 ug/L |
| Chemung | no limit | 40 | 93% | 20 | 681 ug/L |
| Saratoga | no limit | 93 | 92% | 34.9 | 12,000 ug/L |
- LaFayette, Onondaga County100% detected of 72
- Staten Island borough, Richmond County100% detected of 67
- Manhattan borough, New York County100% detected of 33
- Long Beach, Nassau County100% detected of 309
- Windham, Greene County100% detected of 45
- Yonkers, Westchester County98% detected of 50
- Union, Broome County97% detected of 30
- Wawarsing, Ulster County96% detected of 45
- Canajoharie, Montgomery County95% detected of 37
- Brooklyn borough, Kings County91% detected of 332
- Queens borough, Queens County90% detected of 727
- Rotterdam, Schenectady County86% detected of 37
- Schroeppel, Oswego County84% detected of 43
- Riverhead, Suffolk County83% detected of 716
- Sardinia, Erie County76% detected of 41
- Shelter Island, Suffolk County75% detected of 287
- Hempstead, Nassau County73% detected of 6,620
- Concord, Erie County73% detected of 30
- Southold, Suffolk County71% detected of 224
- Cortlandville, Cortland County69% detected of 36
Sources
- Individual samples from the USGS Water Quality Portal and state monitoring, summarized per geography. manganese counts and shares are listed on each county and town page with their sources.