Unit Conversions
- ppb = µg/L
- ppm = mg/L
- Example: 15 ppb = 0.015 ppm
- ND = Non-detect (<1 ppb)
Sample Types
First Draw Sample: A first-draw sample is a one-liter sample of tap water that has stood motionless in the plumbing pipes for at least eight hours and is collected without flushing the tap (EPA Drinking Water Regulations 40 CFR 141.2).
Flush Sample: A flush sample is taken after running the water for up to 2 minutes.
Results from Colgate Samples
The EPA action level for lead in drinking water is 15 ppb.
Collection Date: 1/28/20
O'Connor Campus Center (Coop)
- Kitchen sink (filtered), point of use, first draw: <1 ppb
- Kitchen sink (unfiltered), point of use, first draw: 47 ppb
100 Hamilton St.
- Basement kitchen sink, point of use, first draw: 330 ppb
88 Broad St
- Kitchen sink, point of use, first draw: 200 ppb
55 Hamilton St
- Kitchen sink, point of use, first draw: 21 ppb
Office of Undergraduate Studies (former La Casa)
- Kitchen sink, point of use, first draw: 9.5 ppb
Conant House
- First floor kitchen sink, point of use, first draw: 590 ppb
Ryan Studio
- Room 221, point of use, first draw: 16 ppb
Dana Arts Center
- Groundfloor men's bathroom, point of use, first draw: 420 ppb
Collection Date: 1/16/20
Frank Dining Hall
- Kitchen prep sink (filtered), point of use, first draw: <1 ppb
Collection Date: 1/15/20
40 Broad St.
- First floor bathroom, point of use, first draw: 11 ppb
- Second floor bathroom (aerator removed), point of use, first draw: 170 ppb
Case-Geyer Library
- Chobani Cafe dishwashing sink (unfiltered), point of use, first draw: 4.5 ppb
Chenango Nursery School
- Back kitchen, point of use, first draw: 1 ppb
Frank Dining Hall
- Basement prep sink (unfiltered), point of use, first draw: <1 ppb
- Kitchen prep sink (unfiltered), point of use, first draw: 1.6 ppb
James C. Colgate Hall
- Donovan's Pub sink by register (unfiltered), point of use, first draw: 150 ppb
Little Hall
- Women's room left sink, point of use, first draw: 540 ppb
Collection Date: 12/20/19
40 Broad St.
- Second floor bathroom sink, point of use, first draw: 930 ppb
80 Broad St.
- Second floor bathroom (aerator removed), point of use, first draw: 21 ppb
118 Broad St.
- Second floor bathroom sink, point of use, first draw: 40 ppb
Case-Geyer Library
- Basement W bathroom (aerator removed), point of use, first draw: 170 ppb
Collection Date: 12/19/19
40 Broad St.
- Kitchen sink (unfiltered), point of use, first draw: 5.3 ppb
80 Broad St.
- Kitchen sink (unfiltered), point of use, first draw: 150 ppb
- Second floor bathroom (testing remediation option), point of use, first draw: 26 ppb
Case-Geyer Library
- Basement W bathroom, point of use, first draw: 790 ppb
Collection Date: 10/24/19
9 East Kendrick Ave.
- Kitchen sink, point of use, first draw: 2.3 ppb
- Kitchen sink, point of use, flush: ND
Collection Date: 10/23/19
Schupf Studio
- Bathroom sink, point of use, first draw: 720 ppb
- Bathroom sink, point of use, first draw: 35 ppb
1965 Arena
- Training room sink, point of use, first draw: 5.3 ppb
- Training room sink, point of use, flush: ND
Collection Date: 10/18/19
Campus Safety
- Second floor bathroom, point of use, first draw: 6.3 ppb
- Second floor bathroom, point of use, flush: ND
Chenango Nursery School
- Adult Bathroom by Kitchen, point of use, first draw: 540 ppb
- Adult Bathroom by Kitchen, point of use, flush: ND
James B. Colgate Hall
- First floor gender neutral bathroom, point of use, first draw: 480 ppb
- First floor gender neutral bathroom, point of use, flush: 2.1 ppb
James C. Colgate Hall
- First floor women's bathroom, point of use, first draw: 140 ppb
- First floor women's bathroom, point of use, flush: ND
Collection Date: 10/16/19
116 Broad St.
- Basement, point of use, flush: 1.1 ppb
- Filtered, point of use, flush: ND
Collection Date: 10/14/19
113 Broad St. - Brigham
- Third floor, point of use, first draw: 9.3 ppb
- Third floor, point of use, flush: 2 ppb
113 Broad St. - Read
- Third floor, point of use, first draw: 9.1 ppb
- Third floor, point of use, flush: 1.9 ppb
Bookstore
- Third floor bathroom, point of use, first draw: 1.7 ppb
- Third floor bathroom, point of use, flush: 1.2 ppb
Case-Geyer Library
- Ground floor, point of use, first draw: 280 ppb
- Ground floor, point of use, flush: ND
Merrill House
- Basement, point of use, first draw: ND
- Basement, point of use, flush: ND
Newell Apartments, Building 4
- Basement, point of use, first draw: 45 ppb
- Basement, point of use, flush: ND
Pinchin Hall
- Ground floor, point of use, first draw: ND
- Ground floor, point of use, flush: ND
Townhouse 9A
- Kitchen, point of use, first draw: 2.4 ppb
- Kitchen, point of use, flush: ND
Collection Dates: 10/8/19 and 10/9/19
40 Broad St.
- Basement, point of supply, flush: 13.1 ppb
- Second floor bathroom, point of use, first draw: 775 ppb
72 Broad St.
- Basement, point of supply, flush: ND
84 Broad St.
- Basement, point of supply, flush: 10.3 ppb
116 Broad St.
- Basement, point of supply, first draw: 54.3 ppb
- Basement sink, point of use, flush: ND
118 Broad St.
- Basement, point of supply, flush: 17.4 ppb
- Second floor bathroom, point of use, first draw: 22.2 ppb
30 College St.
- Basement sink, point of use, first draw: 2.9 ppb
- Exterior, point of supply, flush: 45.5 ppb
79 Hamilton St.
- Kitchen, point of use, first draw: 29.7 ppb
- Basement, point of supply, flush: 58.6 ppb
Frank Dining Hall
- Kitchen prep sink, point of use, flush: ND
Foggy Bottom Observatory
- Bathroom sink, point of use, first draw: 142 ppb
- Bathroom sink, point of use, flush: 3.9 ppb
O'Connor Campus Center (Coop)
- Kitchen, point of use, flush: ND
Pump House
- Interior sink, point of use, flush: 10.5 ppb
Reid Athletic Center
- First floor men's room, point of use, first draw: 9 ppb
Collection Dates: 9/26/19 and 10/2/19
72 Broad St.
- First floor bathroom, point of use, first draw: 132 ppb
- First floor bathroom, point of use, flush: ND
80 Broad St.
- Second floor bathroom, point of use, first draw: 157 ppb
- Kitchen, point of use, first draw: 324 ppb
- Kitchen, point of use, flush: ND
- Exterior, point of supply, flush: 17.1 ppb
84 Broad St.
- First floor bathroom, point of use, first draw: 124 ppb
- First floor bathroom, point of use, flush: 5.3 ppb
More Information
- About the discovery of elevated water lead levels in some campus residences.
- Frequently asked questions