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National Drinking Water Database

National Drinking Water Database - Chemical Contaminants

Tin (total)

Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.

Tin is a metal that enters water from corrosion of household plumbing that contains bronze, pewter or solder components, erosion of natural deposits, and due to widespread use of tin-containing antimicrobials.

Found above
health guidelines
Found above
legal limit
Water utilities
People Served

Tin (total) Exposure by State

Water utilities in 3 states have reported detecting Tin (total) in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

StateWater Suppliers with Tin (total) contamination
New York2221,843

The Most Polluted Communities

24 water utilities reported detecting Tin (total) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Tin (total) level

RankSystem Population Served Positive test results of total reported tests Average Level
1Saint Paul Regional Water Services
St Paul, MN
414,73517 of 1747.92 ppb
(10.18 to 75.3 ppb)
2Black River Village
Black River, NY
1,6001 of 141 ppb
(41 ppb)
3Rodman Town WD 1
Rodman, NY
1801 of 136 ppb
(36 ppb)
4Champion Wd#2 (H.champion)
Carthage, NY
2401 of 134 ppb
(34 ppb)
5Evans Mills Village
Evans Mills, NY
6442 of 223.5 ppb
(13 to 34 ppb)
6Copenhagen Village
Copenhagen, NY
8502 of 219.5 ppb
(6 to 33 ppb)
7Turin Village
Turin, NY
3501 of 114 ppb
(14 ppb)
8Glenfield Water District
Martinsburg, NY
2001 of 112 ppb
(12 ppb)
9Deferiet Village
Deferiet, NY
3002 of 211.5 ppb
(7 to 16 ppb)
10Antwerp Village
Antwerp, NY
9001 of 111 ppb
(11 ppb)

Testing Summary for Tin (total)

Are tests routinely required for Tin (total) by federal law?No
Water suppliers reporting tests for Tin (total) (2004-2008):36 of 47,576
Average testing rate for water supplier reporting tests (2004-2008):0.3 per year