Elevated Lead Levels Water Testing Results (Updated 11/1)

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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: 10/24

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

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

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

116 Broad St.

  • Basement, point of use, flush: 1.1 ppb
  • Filtered, point of use, flush: ND

Collection Date: 10/14

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 and 10/9

      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 and 10/2

        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