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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

MS0600012 , South Lake Water Association

23 of the 57 analytes this system has been tested for have been detected at least once, across 297 samples on record.

The other 34 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 297 samples on record, detections range from October 20, 2003 to February 17, 2026. These figures cover the whole record; the list of samples further down is narrowed.

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 South Lake 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
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 88 of 91 results Nov 16, 2005 Feb 17, 2026
TTHM 2950 Organic Chemical 87 of 89 results Aug 11, 2004 Feb 17, 2026
Copper, Free 1022 Inorganic Chemical 61 of 61 results Aug 7, 2007 Jul 18, 2023
Lead 1030 Inorganic Chemical 51 of 61 results Aug 7, 2007 Jul 18, 2023
Chloroform 2941 Organic Chemical 39 of 44 results Mar 19, 2007 Feb 17, 2026
Bromoform 2942 Organic Chemical 39 of 44 results Mar 19, 2007 Feb 17, 2026
Bromodichloromethane 2943 Organic Chemical 39 of 44 results Mar 19, 2007 Feb 17, 2026
Dibromochloromethane 2944 Organic Chemical 39 of 44 results Mar 19, 2007 Feb 17, 2026
Trichloroacetic Acid 2452 Organic Chemical 35 of 42 results Feb 25, 2008 Feb 17, 2026
Dibromoacetic Acid 2454 Organic Chemical 34 of 42 results Feb 25, 2008 Feb 17, 2026
Dichloroacetic Acid 2451 Organic Chemical 30 of 42 results Feb 25, 2008 May 28, 2024
Barium 1010 Inorganic Chemical 10 of 10 results Oct 20, 2003 Mar 25, 2025
Fluoride 1025 Inorganic Chemical 10 of 10 results Oct 20, 2003 Mar 25, 2025
Chromium 1020 Inorganic Chemical 8 of 10 results Oct 20, 2003 May 7, 2019
Arsenic 1005 Inorganic Chemical 5 of 10 results Mar 22, 2004 Mar 25, 2025
Monochloroacetic Acid 2450 Organic Chemical 5 of 42 results Nov 9, 2009 Feb 25, 2020
Monobromoacetic Acid 2453 Organic Chemical 5 of 42 results Nov 5, 2008 May 15, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 15, 2011 Jul 19, 2012
Selenium 1045 Inorganic Chemical 4 of 10 results Mar 22, 2004 May 6, 2013
Sodium 1052 Inorganic Chemical 2 of 2 results Sep 18, 2019 Nov 14, 2023
Nickel 1036 Inorganic Chemical 1 of 10 results May 6, 2013 May 6, 2013
Cadmium 1015 Inorganic Chemical 1 of 10 results Apr 11, 2005 Apr 11, 2005
Dichloromethane 2964 Organic Chemical 1 of 7 results Aug 25, 2004 Aug 25, 2004

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 21–29 of 29 samples, newest first — collected October 8, 2024 to March 25, 2025. The summary above covers all 29.

19 results from the 9 samples listed here: 11 detected, 8 not detected. 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 2 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 South Lake Water Association, every result from 21 to 29 of 29 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
Mar 25, 2025 08:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250326-032
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Mar 25, 2025 08:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0077 mg/l , sample collected Mar 25, 2025 08:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 08:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 08:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.139 mg/l , sample collected Mar 25, 2025 08:00, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 08:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 08:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 08:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 08:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 08:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 08:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jan 28, 2025 13:15
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
HA-250129-019
Laboratory
MSDH Lab
13 ug/l , sample collected Jan 28, 2025 13:15, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Mar 31, 2025
Collected
Jan 28, 2025 12:30
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
HA-250129-018
Laboratory
MSDH Lab
13.6 ug/l , sample collected Jan 28, 2025 12:30, sampling point SMH Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Mar 31, 2025
Collected
Jan 28, 2025 12:30
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
TH-250129-019
Laboratory
MSDH Lab
44.4 ug/l , sample collected Jan 28, 2025 12:30, sampling point SMH TTHM 2950 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025
Collected
Jan 28, 2025 12:30
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
TH-250129-018
Laboratory
MSDH Lab
44.6 ug/l , sample collected Jan 28, 2025 12:30, sampling point SMH TTHM 2950 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025
Collected
Oct 8, 2024 11:00
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
HA-241009-008
Laboratory
MSDH Lab
13.1 ug/l , sample collected Oct 8, 2024 11:00, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2024 – Dec 31, 2024
Collected
Oct 8, 2024 10:00
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
HA-241009-007
Laboratory
MSDH Lab
15.5 ug/l , sample collected Oct 8, 2024 10:00, sampling point SMH Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2024 – Dec 31, 2024
Collected
Oct 8, 2024 11:00
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
TH-241009-008
Laboratory
MSDH Lab
90.5 ug/l , sample collected Oct 8, 2024 11:00, sampling point SMT TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Oct 8, 2024 10:00
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
TH-241009-007
Laboratory
MSDH Lab
105 ug/l , sample collected Oct 8, 2024 10:00, sampling point SMH TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024

Routine (9).