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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.

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

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 191–200 of 297 samples, newest first — collected March 19, 2012 to May 12, 2014. The summary above covers all 297.

35 results from the 10 samples listed here: 9 detected, 26 not detected. Across the whole record it is 599 of 1,048. 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 South Lake Water Association, every result from 191 to 200 of 297 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 12, 2014 12:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140513-101NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 12, 2014 12:10, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 12, 2014 12:10, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 12, 2014 12:10, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Dec 11, 2013 12:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
131212-002CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 11, 2013 12:10, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
May 6, 2013 01:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130507-010IN
Laboratory
MSDH Lab
0.0008 mg/l , sample collected May 6, 2013 01:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0078 mg/l , sample collected May 6, 2013 01:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2013 01:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0048 mg/l , sample collected May 6, 2013 01:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.202 mg/l , sample collected May 6, 2013 01:00, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2013 01:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0027 mg/l , sample collected May 6, 2013 01:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.0033 mg/l , sample collected May 6, 2013 01:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2013 01:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2013 01:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 6, 2013 01:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Mar 11, 2013 01:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130312-016NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 11, 2013 01:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 11, 2013 01:30, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 11, 2013 01:30, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Jul 19, 2012 13:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
201210310535
Laboratory
Radiation Safety Engineering
0.6 pci/l , sample collected Jul 19, 2012 13:00, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.495 pci/l Minimum Reporting Level , sample collected Jul 19, 2012 13:00, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.495 pci/l Minimum Reporting Level , sample collected Jul 19, 2012 13:00, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.37 pci/l Minimum Reporting Level , sample collected Jul 19, 2012 13:00, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 18, 2012 14:02
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120719-015
Laboratory
Radiation Safety Engineering
0.6 pci/l , sample collected Jul 18, 2012 14:02, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.495 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:02, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.495 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:02, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.37 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:02, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 18, 2012 14:03
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120719-015RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 18, 2012 14:03, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
Apr 23, 2012 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120424-010
Laboratory
Radiation Safety Engineering
0.6 pci/l , sample collected Apr 23, 2012 14:00, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.495 pci/l Minimum Reporting Level , sample collected Apr 23, 2012 14:00, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.495 pci/l Minimum Reporting Level , sample collected Apr 23, 2012 14:00, sampling point TF101 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.37 pci/l Minimum Reporting Level , sample collected Apr 23, 2012 14:00, sampling point TF101 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 23, 2012 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120424-010RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2012 14:00, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Mar 19, 2012 12:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120320-089NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 19, 2012 12:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 19, 2012 12:15, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 19, 2012 12:15, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012

Routine (10).