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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 171–180 of 297 samples, newest first — collected August 19, 2014 to October 11, 2016. The summary above covers all 297.

50 results from the 10 samples listed here: 14 detected, 36 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.

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 171 to 180 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
Oct 11, 2016 03:16
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
161012-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Oct 11, 2016 03:16, sampling point SMT Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 11, 2016 03:16, sampling point SMT Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Oct 11, 2016 03:16, sampling point SMT Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 11, 2016 03:16, sampling point SMT Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 11, 2016 03:16, sampling point SMT Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Oct 11, 2016 03:16, sampling point SMT Total Haloacetic Acids (Haa5) 2456 Jan 1, 2016 – Dec 31, 2016
Collected
Aug 10, 2016 01:33
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160811-013VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2016 01:33, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Jun 20, 2016 01:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160621-016CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 20, 2016 01:30, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
May 9, 2016 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160510-093NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 9, 2016 13:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 9, 2016 13:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 9, 2016 13:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Feb 29, 2016 01:07
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160301-018CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:07, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jul 22, 2015 12:30
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
150723-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 22, 2015 12:30, sampling point SMH Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jul 22, 2015 12:30, sampling point SMH Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jul 22, 2015 12:30, sampling point SMH Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 22, 2015 12:30, sampling point SMH Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Jul 22, 2015 12:30, sampling point SMH Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.009 mg/l , sample collected Jul 22, 2015 12:30, sampling point SMH Total Haloacetic Acids (Haa5) 2456 Jan 1, 2015 – Dec 31, 2015
Collected
Jul 22, 2015 12:42
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
150723-004TH
Laboratory
MSDH Lab
5.95 ug/l , sample collected Jul 22, 2015 12:42, sampling point SMT Chloroform 2941 EPA method 524.2 Not recorded
47.4 ug/l , sample collected Jul 22, 2015 12:42, sampling point SMT Bromoform 2942 EPA method 524.2 Not recorded
14.7 ug/l , sample collected Jul 22, 2015 12:42, sampling point SMT Bromodichloromethane 2943 EPA method 524.2 Not recorded
43 ug/l , sample collected Jul 22, 2015 12:42, sampling point SMT Dibromochloromethane 2944 EPA method 524.2 Not recorded
111 ug/l , sample collected Jul 22, 2015 12:42, sampling point SMT TTHM 2950 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Collected
May 6, 2015 12:46
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150507-018NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 6, 2015 12:46, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 6, 2015 12:46, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 6, 2015 12:46, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Aug 19, 2014 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140820-144PB
Laboratory
MSDH Lab
0.3946 mg/l , sample collected Aug 19, 2014 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 19, 2014 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Aug 19, 2014 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140820-143PB
Laboratory
MSDH Lab
0.3464 mg/l , sample collected Aug 19, 2014 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0009 mg/l , sample collected Aug 19, 2014 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).