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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 151–160 of 212 samples, newest first — collected September 18, 1996 to May 21, 2002. The summary above covers all 212.

29 results from the 10 samples listed here: 15 detected, 14 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 151 to 160 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
May 21, 2002
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
020522-023IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 21, 2002, sampling point TF080 Arsenic 1005 EPA method 200.8 Not recorded
0.025 mg/l , sample collected May 21, 2002, sampling point TF080 Barium 1010 EPA method 200.8 Not recorded
0.0001 mg/l , sample collected May 21, 2002, sampling point TF080 Cadmium 1015 EPA method 200.8 Not recorded
0.003 mg/l , sample collected May 21, 2002, sampling point TF080 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 21, 2002, sampling point TF080 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 21, 2002, sampling point TF080 Mercury 1035 EPA method 200.8 Not recorded
0.003 mg/l , sample collected May 21, 2002, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
0.001 mg/l , sample collected May 21, 2002, sampling point TF080 Selenium 1045 EPA method 200.8 Not recorded
3.3 mg/l , sample collected May 21, 2002, sampling point TF080 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 21, 2002, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected May 21, 2002, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 21, 2002, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
May 14, 2002
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
020515-010CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF080 Cyanide 1024 EPA method 335.4 Not recorded
Collected
Aug 23, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000824-166L
Laboratory
MSDH Lab
0.094 mg/l , sample collected Aug 23, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.013 mg/l , sample collected Aug 23, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 23, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000824-164L
Laboratory
MSDH Lab
0.019 mg/l , sample collected Aug 23, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Aug 23, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 23, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000824-163L
Laboratory
MSDH Lab
0.121 mg/l , sample collected Aug 23, 2000, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 23, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 23, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000824-162L
Laboratory
MSDH Lab
0.293 mg/l , sample collected Aug 23, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Aug 23, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 23, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000824-159L
Laboratory
MSDH Lab
0.012 mg/l , sample collected Aug 23, 2000, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 23, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Sep 18, 1996
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
960919-064L
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Method Detection Limit , sample collected Sep 18, 1996, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Sep 18, 1996, sampling point DS000 Lead 1030 Not recorded
Collected
Sep 18, 1996
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
960919-062L
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Method Detection Limit , sample collected Sep 18, 1996, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Sep 18, 1996, sampling point DS000 Lead 1030 Not recorded
Collected
Sep 18, 1996
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
960919-061L
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Method Detection Limit , sample collected Sep 18, 1996, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Sep 18, 1996, sampling point DS000 Lead 1030 Not recorded

Routine (10).