University of Rhode Island (RI) Water Quality

University of Rhode Island is a large public water system in EPA region 1 that provides tap water for the 02881 zip codes. It has 8 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 5.037 µg/L. The maximum reported level of Manganese was 103 µg/L. There were 2 contamintants found in the University of Rhode Island water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (2)

Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (2)

Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (2)

Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (2)

Well #4 EPTDS
Well #4 TP ℹ️
827.2%
0.57902 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.50902 µg/L
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
1030.9%
0.72161 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.65161 µg/L
5/12/2014
11 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<2 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (9)

WELL #2
WELL #2 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<2 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #3
WELL #3 ℹ️
0%
<2 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #4
WELL #4 ℹ️
0%
<2 µg/L
Below Reporting Level
7/8/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (9)

WELL #2
WELL #2 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<2 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #3
WELL #3 ℹ️
0%
<2 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #4
WELL #4 ℹ️
0%
<2 µg/L
Below Reporting Level
7/8/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

2-propen-1-ol (Allyl Alcohol) (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (9)

WELL #2
WELL #2 ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #3
WELL #3 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #4
WELL #4 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/8/2002
23 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

bromochloromethane (Halon 1011) (2)

Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (2)

Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (4)

Well #4 EPTDS
Well #4 TP ℹ️
187.9%
37.589 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 17.589 µg/L
11/12/2014
10 years ago
Swan Hall
Distribution System ℹ️
170%
34.007 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 14.007 µg/L
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<20 µg/L
Below Reporting Level
5/12/2014
11 years ago
Swan Hall
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (2)

Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (2)

Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (4)

Well #4 EPTDS
Well #4 TP ℹ️
140.5%
0.281 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.081 µg/L
1/6/2015
10 years ago
Swan Hall
Distribution System ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
129%
0.258 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.058 µg/L
5/12/2014
11 years ago
Swan Hall
Distribution System ℹ️
121.5%
0.243 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.043 µg/L
5/12/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (4)

Swan Hall
Distribution System ℹ️
686.7%
0.206 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.176 µg/L
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
666.7%
0.2 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.17 µg/L
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
846.7%
0.254 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.224 µg/L
5/12/2014
11 years ago
Swan Hall
Distribution System ℹ️
816.7%
0.245 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.215 µg/L
5/12/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (4)

Well #4 EPTDS
Well #4 TP ℹ️
0%
<1 µg/L
Below Reporting Level
11/12/2014
10 years ago
Swan Hall
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<1 µg/L
Below Reporting Level
5/12/2014
11 years ago
Swan Hall
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

dimethipin (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (9)

WELL #3
WELL #3 ℹ️
710%
7.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 6.1 µg/L
2/3/2003
22 years ago
WELL #3
WELL #3 ℹ️
630%
6.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 5.3 µg/L
2/3/2003
22 years ago
WELL #3
WELL #3 ℹ️
630%
6.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 5.3 µg/L
2/3/2003
22 years ago
WELL #4
WELL #4 ℹ️
310%
3.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.1 µg/L
2/3/2003
22 years ago
WELL #4
WELL #4 ℹ️
300%
3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2 µg/L
2/3/2003
22 years ago
WELL #4
WELL #4 ℹ️
300%
3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2 µg/L
2/3/2003
22 years ago
WELL #2
WELL #2 ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2003
22 years ago
WELL #2
WELL #2 ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2003
22 years ago
WELL #2
WELL #2 ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2003
22 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

ethoprop (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (4)

Swan Hall
DBPR1 ℹ️
1.7%
1.04 µg/L
Meets Reporting Threshold
3/19/2019
6 years ago
Barlow Hall
DBPR2 ℹ️
1.1%
0.65 µg/L
Meets Reporting Threshold
3/19/2019
6 years ago
Swan Hall
DBPR1 ℹ️
8.4%
5.037 µg/L
Meets Reporting Threshold
9/25/2018
6 years ago
Barlow Hall
DBPR2 ℹ️
1.6%
0.977 µg/L
Meets Reporting Threshold
9/25/2018
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (4)

Swan Hall
DBPR1 ℹ️
0%
1.04 µg/L
3/19/2019
6 years ago
Barlow Hall
DBPR2 ℹ️
0%
0.65 µg/L
3/19/2019
6 years ago
Swan Hall
DBPR1 ℹ️
0%
2.47 µg/L
9/25/2018
6 years ago
Barlow Hall
DBPR2 ℹ️
0%
0.977 µg/L
9/25/2018
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (4)

Swan Hall
DBPR1 ℹ️
0%
1.04 µg/L
3/19/2019
6 years ago
Barlow Hall
DBPR2 ℹ️
0%
0.65 µg/L
3/19/2019
6 years ago
Swan Hall
DBPR1 ℹ️
0%
5.38 µg/L
9/25/2018
6 years ago
Barlow Hall
DBPR2 ℹ️
0%
0.977 µg/L
9/25/2018
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
127.8%
11.5 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 2.5 µg/L
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
111%
9.99 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 0.99 µg/L
8/17/2023
24 months ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
34.3%
103 µg/L
Meets Reporting Threshold
9/25/2018
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (9)

WELL #2
WELL #2 ℹ️
0%
<5 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<5 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<5 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<5 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<5 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<5 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<5 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #3
WELL #3 ℹ️
0%
<5 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #4
WELL #4 ℹ️
0%
<5 µg/L
Below Reporting Level
7/8/2002
23 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (9)

WELL #2
WELL #2 ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #3
WELL #3 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #4
WELL #4 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/8/2002
23 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (4)

Well #4 EPTDS
Well #4 TP ℹ️
0%
<1 µg/L
Below Reporting Level
11/12/2014
10 years ago
Swan Hall
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<1 µg/L
Below Reporting Level
5/12/2014
11 years ago
Swan Hall
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/5/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/5/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.006 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (9)

WELL #2
WELL #2 ℹ️
0%
<10 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<10 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<10 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<10 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<10 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<10 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<10 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #3
WELL #3 ℹ️
0%
<10 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #4
WELL #4 ℹ️
0%
<10 µg/L
Below Reporting Level
7/8/2002
23 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (6)

WELL #2
WELL #2 ℹ️
0%
<4 µg/L
Below Reporting Level
11/30/2004
20 years ago
WELL #3
WELL #3 ℹ️
0%
<4 µg/L
Below Reporting Level
11/30/2004
20 years ago
WELL #4
WELL #4 ℹ️
0%
<4 µg/L
Below Reporting Level
11/30/2004
20 years ago
WELL #2
WELL #2 ℹ️
0%
<4 µg/L
Below Reporting Level
6/18/2004
21 years ago
WELL #3
WELL #3 ℹ️
0%
<4 µg/L
Below Reporting Level
6/18/2004
21 years ago
WELL #4
WELL #4 ℹ️
0%
<4 µg/L
Below Reporting Level
6/18/2004
21 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (4)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
233.3%
0.007 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.004 µg/L
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
300%
0.009 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.006 µg/L
8/17/2023
24 months ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (4)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
200%
0.006 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.003 µg/L
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
200%
0.006 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.003 µg/L
8/17/2023
24 months ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (4)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
133.3%
0.004 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.001 µg/L
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
100%
0.003 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0 µg/L
8/17/2023
24 months ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
266.7%
0.008 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.005 µg/L
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
266.7%
0.008 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.005 µg/L
8/17/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (4)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
175%
0.007 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.003 µg/L
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
100%
0.004 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0 µg/L
8/17/2023
24 months ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (4)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
125%
0.005 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.001 µg/L
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
100%
0.004 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0 µg/L
8/17/2023
24 months ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (4)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
400%
0.016 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.012 µg/L
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
400%
0.016 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.012 µg/L
8/17/2023
24 months ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/12/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
233.3%
0.007 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.004 µg/L
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
233.3%
0.007 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.004 µg/L
8/17/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/5/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.008 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/5/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (2)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/14/2024
18 months ago
Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/17/2023
24 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (9)

WELL #2
WELL #2 ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<1 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #3
WELL #3 ℹ️
0%
<1 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #4
WELL #4 ℹ️
0%
<1 µg/L
Below Reporting Level
7/8/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (4)

Swan Hall
Distribution System ℹ️
33491.3%
100.474 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 100.174 µg/L
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
31188.7%
93.566 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 93.266 µg/L
11/12/2014
10 years ago
Swan Hall
Distribution System ℹ️
36613.3%
109.84 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 109.54 µg/L
5/12/2014
11 years ago
Well #4 EPTDS
Well #4 TP ℹ️
34031%
102.093 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 101.793 µg/L
5/12/2014
11 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (9)

WELL #2
WELL #2 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #3
WELL #3 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #4
WELL #4 ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL #2
WELL #2 ℹ️
0%
<2 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #3
WELL #3 ℹ️
0%
<2 µg/L
Below Reporting Level
7/8/2002
23 years ago
WELL #4
WELL #4 ℹ️
0%
<2 µg/L
Below Reporting Level
7/8/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (1)

Entry Point to Dist. System
Wells #2 - #4 Treatment Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/25/2018
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (4)

Well #4 EPTDS
Well #4 TP ℹ️
1129.5%
2.259 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.059 µg/L
11/12/2014
10 years ago
Swan Hall
Distribution System ℹ️
966%
1.932 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.732 µg/L
11/12/2014
10 years ago
Well #4 EPTDS
Well #4 TP ℹ️
663.5%
1.327 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.127 µg/L
5/12/2014
11 years ago
Swan Hall
Distribution System ℹ️
488%
0.976 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.776 µg/L
5/12/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

Wells #2 - #4 Treatment Plant
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

DBPR1
Ground Water (GW)

Swan HallDistribution System (DS)

DBPR2
Ground Water (GW)

Barlow HallDistribution System (DS)

Well #4 TP
Ground Water (GW)

Well #4 EPTDSEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

Swan HallMaximum Residence Time (MR)

WELL #2
Ground Water (GW)

WELL #2Entry Point to the Distribution System (EP)

WELL #3
Ground Water (GW)

WELL #3Entry Point to the Distribution System (EP)

WELL #4
Ground Water (GW)

WELL #4Entry Point to the Distribution System (EP)

FAQ

Is University of Rhode Island tap water safe to drink?

When was University of Rhode Island last tested for water contamination?

The latest water samples were taken on March 5th, 2024.