Return to Radon Maps

St. Lawrence County
Indoor Radon Estimates
Percent Homes Above 4 pCi/L
June 1999

Town or City
homes
measured
living area*
basement**
best
estimate
(%)
range #
(%)
best
estimate
(%)
range #
(%)
Brasher town 2 3 (1 - 6) 13 (6 - 21)
Canton town 21 1.8 (0.8 - 2.9) 11 (6 - 15)
Clare town 0 5 (2 - 9) 19 (10 - 29)
Clifton town 1 5 (2 - 9) 19 (10 - 29)
Colton town 4 4 (2 - 9) 21 (12 - 30)
De Kalb town 4 5 (2 - 11) 24 (14 - 35)
De Peyster town 0 5 (2 - 10) 19 (11 - 30)
Edwards town 2 4 (2 - 9) 19 (11 - 28)
Fine town 0 4 (1 - 8) 15 (8 - 24)
Fowler town 3 2 (1 - 5) 11 (4 - 20)
Gouverneur town 8 1.5 (0.5 - 2.9) 8 (4 - 13)
Hammond town 2 4 (2 - 9) 18 (9 - 28)
Hermon town 0 3 (1 - 8) 14 (7 - 25)
Hopkinton town 1 4 (1 - 8) 16 (7 - 24)
Lawrence town 2 5 (2 - 9) 20 (12 - 29)
Lisbon town 6 5 (2 - 9) 21 (13 - 30)
Louisville town 3 3 (1 - 7) 14 (7 - 23)
Macomb town 2 3 (1 - 8) 16 (9 - 25)
Madrid town 0 4 (1 - 8) 17 (9 - 26)
Massena town 14 1.4 (0.7 - 2.9) 8 (4 - 12)
Morristown town 4 5 (2 - 10) 23 (14 - 32)
Norfolk town 4 2 (1 - 5) 13 (6 - 21)
Ogdensburg city 19 3 (2 - 6) 16 (10 - 21)
Oswegatchie town 6 8 (4 - 14) 30 (21 - 40)
Parishville town 6 5 (2 - 10) 23 (13 - 34)
Piercefield town 0 4 (1 - 8) 17 (9 - 27)
Pierrepont town 5 4 (2 - 8) 18 (11 - 26)
Pitcairn town 0 3 (1 - 9) 16 (8 - 26)
Potsdam town 51 2 (1 - 3) 13 (9 - 17)
Rossie town 3 3 (1 - 6) 14 (7 - 22)
Russell town 1 4 (1 - 8) 18 (9 - 28)
Stockholm town 8 3 (1 - 5) 14 (8 - 21)
Waddington town 3 4 (1 - 8) 18 (9 - 28)
           
St. Lawrence county 185 3   15  

* Long-term measurement, 90 days to one year.

**Short-term measurement, typically 2 to 7 days.

# Uncertainty range of one sigma corresponds to a 68% confidence interval.


| Contact Us | Return to Previous Page |

New York State Department of Health - Wadsworth Center

Revised: June 2001