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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 31–40 of 212 samples, newest first — collected July 24, 2018 to July 9, 2019. The summary above covers all 212.

36 results from the 10 samples listed here: 18 detected, 18 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.

Chemical and radiological sample results for Providence Water Association, every result from 31 to 40 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
Jul 9, 2019 04:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190710-050PB
Laboratory
MSDH Lab
0.0166 mg/l , sample collected Jul 9, 2019 04:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0018 mg/l , sample collected Jul 9, 2019 04:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 9, 2019 07:14
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190710-047PB
Laboratory
MSDH Lab
0.0565 mg/l , sample collected Jul 9, 2019 07:14, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 9, 2019 07:14, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 9, 2019 02:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190710-046PB
Laboratory
MSDH Lab
0.0765 mg/l , sample collected Jul 9, 2019 02:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0005 mg/l , sample collected Jul 9, 2019 02:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 8, 2019 02:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190710-049PB
Laboratory
MSDH Lab
0.0083 mg/l , sample collected Jul 8, 2019 02:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0006 mg/l , sample collected Jul 8, 2019 02:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 8, 2019 04:56
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190710-048PB
Laboratory
MSDH Lab
0.0068 mg/l , sample collected Jul 8, 2019 04:56, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2019 04:56, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Feb 19, 2019 14:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190220-065NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 19, 2019 14:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 19, 2019 14:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 19, 2019 14:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Oct 9, 2018 01:17
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
181010-017IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 9, 2018 01:17, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0024 mg/l , sample collected Oct 9, 2018 01:17, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 9, 2018 01:17, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0012 mg/l , sample collected Oct 9, 2018 01:17, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.702 mg/l , sample collected Oct 9, 2018 01:17, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 9, 2018 01:17, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0013 mg/l , sample collected Oct 9, 2018 01:17, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 9, 2018 01:17, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 9, 2018 01:17, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 9, 2018 01:17, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 9, 2018 01:17, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 24, 2018 01:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
180725-005TH
Laboratory
MSDH Lab
36.6 ug/l , sample collected Jul 24, 2018 01:50, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 24, 2018 01:50, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
5.81 ug/l , sample collected Jul 24, 2018 01:50, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 24, 2018 01:50, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
42.4 ug/l , sample collected Jul 24, 2018 01:50, sampling point MRT000 TTHM 2950 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 24, 2018 01:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
180725-005HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 24, 2018 01:50, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.014 mg/l , sample collected Jul 24, 2018 01:50, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.02 mg/l , sample collected Jul 24, 2018 01:50, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 24, 2018 01:50, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 24, 2018 01:50, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.03 mg/l , sample collected Jul 24, 2018 01:50, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 24, 2018 13:31
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
180725-024RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 24, 2018 13:31, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021

Routine (10).