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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

MS0540011 , Independence Water Association

18 of the 57 analytes this system has been tested for have been detected at least once, across 151 samples on record.

The other 39 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 151 samples on record, detections range from October 13, 2003 to February 25, 2026. 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 Independence 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 61 of 61 results Aug 7, 2007 Sep 26, 2023
Lead 1030 Inorganic Chemical 29 of 61 results Aug 7, 2007 Sep 26, 2023
Nitrate-Nitrite 1038 Inorganic Chemical 23 of 23 results Jun 7, 2004 Feb 25, 2026
Nitrate 1040 Inorganic Chemical 23 of 23 results Jun 7, 2004 Feb 25, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Oct 13, 2003 Mar 17, 2025
TTHM 2950 Organic Chemical 9 of 20 results Sep 4, 2007 Nov 6, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 19 results Sep 4, 2007 Feb 3, 2025
Chloroform 2941 Organic Chemical 5 of 14 results Sep 21, 2016 Nov 6, 2024
Bromodichloromethane 2943 Organic Chemical 5 of 14 results Sep 30, 2020 Nov 6, 2024
Dibromochloromethane 2944 Organic Chemical 5 of 14 results Sep 30, 2020 Nov 6, 2024
Nickel 1036 Inorganic Chemical 5 of 10 results Mar 15, 2004 Oct 5, 2022
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 17, 2012
Dichloroacetic Acid 2451 Organic Chemical 2 of 12 results Sep 21, 2016 Sep 30, 2020
Chromium 1020 Inorganic Chemical 2 of 10 results Apr 11, 2005 Mar 8, 2016
Bromoform 2942 Organic Chemical 1 of 14 results May 28, 2024 May 28, 2024
Sodium 1052 Inorganic Chemical 1 of 1 result Sep 25, 2019 Sep 25, 2019
Cadmium 1015 Inorganic Chemical 1 of 10 results Apr 11, 2005 Apr 11, 2005
Selenium 1045 Inorganic Chemical 1 of 10 results Apr 11, 2005 Apr 11, 2005

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 21–30 of 151 samples, newest first — collected June 14, 2023 to September 26, 2023. The summary above covers all 151.

18 results from the 10 samples listed here: 9 detected, 9 not detected. Across the whole record it is 195 of 641. 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 7 sampling points 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 Independence Water Association, every result from 21 to 30 of 151 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
Sep 26, 2023 09:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-230927-080
Laboratory
MSDH Lab
0.0108 mg/l , sample collected Sep 26, 2023 09:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2023 09:00, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 26, 2023 04:45
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-230927-079
Laboratory
MSDH Lab
0.0097 mg/l , sample collected Sep 26, 2023 04:45, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2023 04:45, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 26, 2023 06:00
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-230927-078
Laboratory
MSDH Lab
0.0104 mg/l , sample collected Sep 26, 2023 06:00, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2023 06:00, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 26, 2023 08:00
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-230927-077
Laboratory
MSDH Lab
0.0138 mg/l , sample collected Sep 26, 2023 08:00, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2023 08:00, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 26, 2023 05:42
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-230927-076
Laboratory
MSDH Lab
0.0023 mg/l , sample collected Sep 26, 2023 05:42, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2023 05:42, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 26, 2023 05:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230927-075
Laboratory
MSDH Lab
0.0102 mg/l , sample collected Sep 26, 2023 05:48, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2023 05:48, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 26, 2023 04:55
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-230927-074
Laboratory
MSDH Lab
0.0151 mg/l , sample collected Sep 26, 2023 04:55, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2023 04:55, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 26, 2023 04:01
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-230927-073
Laboratory
MSDH Lab
0.0078 mg/l , sample collected Sep 26, 2023 04:01, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2023 04:01, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 14, 2023 14:35
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230615-014
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 14, 2023 14:35, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Jun 14, 2023 14:36
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230615-013
Laboratory
MSDH Lab
1.3 ug/l , sample collected Jun 14, 2023 14:36, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded

Routine (10).