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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Chemical and radiological sample results

MS0190004 , Providence Water Association

21 of the 58 analytes this system has been tested for have been detected at least once, across 212 samples on record.

The other 37 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 212 samples on record, detections range from October 18, 1993 to June 4, 2025. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for Providence Water Association, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 82 of 111 results Oct 18, 1993 Jun 4, 2025
Lead 1030 Inorganic Chemical 48 of 111 results Oct 18, 1993 Jun 4, 2025
Barium 1010 Inorganic Chemical 13 of 13 results May 21, 2002 Feb 4, 2025
Nickel 1036 Inorganic Chemical 12 of 13 results May 21, 2002 Feb 4, 2025
Fluoride 1025 Inorganic Chemical 11 of 13 results Sep 10, 2003 Feb 4, 2025
TTHM 2950 Organic Chemical 10 of 10 results May 19, 2004 Feb 11, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 9 results Oct 24, 2005 Feb 11, 2025
Chromium 1020 Inorganic Chemical 8 of 13 results May 21, 2002 Feb 4, 2025
Chloroform 2941 Organic Chemical 6 of 6 results Sep 11, 2006 Jul 24, 2018
Bromodichloromethane 2943 Organic Chemical 5 of 6 results Sep 11, 2006 Jul 24, 2018
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 10, 2012
Dichloroacetic Acid 2451 Organic Chemical 4 of 4 results Sep 17, 2008 Jul 24, 2018
Sulfate 1055 Inorganic Chemical 4 of 4 results May 21, 2002 Feb 4, 2004
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 18, 2019 Jan 29, 2024
Trichloroacetic Acid 2452 Organic Chemical 3 of 4 results Jul 9, 2012 Jul 24, 2018
Selenium 1045 Inorganic Chemical 3 of 13 results May 21, 2002 Feb 28, 2005
Cadmium 1015 Inorganic Chemical 2 of 13 results May 21, 2002 Feb 28, 2005
Xylenes, Total 2955 Organic Chemical 2 of 22 results Apr 13, 2004 Jul 14, 2004
Styrene 2996 Organic Chemical 1 of 22 results Oct 18, 2005 Oct 18, 2005
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 23 results May 12, 2004 May 12, 2004
Nitrate 1040 Inorganic Chemical 1 of 23 results May 12, 2004 May 12, 2004

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 11–20 of 212 samples, newest first — collected June 14, 2022 to January 29, 2024. The summary above covers all 212.

38 results from the 10 samples listed here: 8 detected, 30 not detected. Across the whole record it is 232 of 1,003. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 1 sampling point below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Providence Water Association, every result from 11 to 20 of 212 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Jan 29, 2024 13:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-240130-024
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 29, 2024 13:40, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 29, 2024 13:40, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 29, 2024 13:40, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 29, 2024 13:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-240130-016
Laboratory
MSDH Lab
73.3 mg/l , sample collected Jan 29, 2024 13:40, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Mar 21, 2023 12:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
VO-230322-005
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 21, 2023 12:00, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2018 – Dec 31, 2023
Collected
Jan 24, 2023 14:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-230125-040
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 24, 2023 14:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 24, 2023 14:15, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 24, 2023 14:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Sep 13, 2022 14:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-220914-020
Laboratory
MSDH Lab
41.7 ug/l , sample collected Sep 13, 2022 14:00, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2020 – Dec 31, 2022
Collected
Sep 13, 2022 13:28
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-220914-020
Laboratory
MSDH Lab
48.3 ug/l , sample collected Sep 13, 2022 13:28, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 14, 2022 06:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220615-020
Laboratory
MSDH Lab
0.0061 mg/l , sample collected Jun 14, 2022 06:12, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2022 06:12, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 14, 2022 09:33
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220615-018
Laboratory
MSDH Lab
0.0046 mg/l , sample collected Jun 14, 2022 09:33, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2022 09:33, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 14, 2022 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220615-019
Laboratory
MSDH Lab
0.0067 mg/l , sample collected Jun 14, 2022 11:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2022 11:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 14, 2022 07:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220615-017
Laboratory
MSDH Lab
0.0121 mg/l , sample collected Jun 14, 2022 07:02, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
1 ug/l , sample collected Jun 14, 2022 07:02, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).