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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 281–290 of 297 samples, newest first — collected August 11, 2004 to November 28, 2005. The summary above covers all 297.

62 results from the 10 samples listed here: 11 detected, 51 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.

Units in this table

Dichloromethane is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for South Lake Water Association, every result from 281 to 290 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
Nov 28, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
051129-005NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 28, 2005, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Nov 28, 2005, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 28, 2005, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Collected
Nov 16, 2005
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
051117-006HA
Laboratory
MSDH Lab
0.014 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Nov 16, 2005, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2005 – Dec 31, 2005
Collected
Nov 16, 2005
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
051117-005TH
Laboratory
MSDH Lab
96.1 ug/l , sample collected Nov 16, 2005, sampling point MRT000 TTHM 2950 EPA method 524.2 Oct 1, 2005 – Dec 31, 2005
Collected
Apr 11, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050412-064CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
Apr 11, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050412-001IN
Laboratory
MSDH Lab
0.001443 mg/l , sample collected Apr 11, 2005, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.008057 mg/l , sample collected Apr 11, 2005, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000272 mg/l , sample collected Apr 11, 2005, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.006467 mg/l , sample collected Apr 11, 2005, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.139961 mg/l , sample collected Apr 11, 2005, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.001762 mg/l , sample collected Apr 11, 2005, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Nov 29, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
041130-058VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Benzene 2990 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Toluene 2991 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF101 Styrene 2996 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Collected
Nov 1, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
041102-052IN
Laboratory
MSDH Lab
0.2 mg/l , sample collected Nov 1, 2004, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2002 – Dec 31, 2004
Collected
Aug 25, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040826-006VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
1.24 ug/l , sample collected Aug 25, 2004, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Benzene 2990 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Toluene 2991 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 25, 2004, sampling point TF101 Styrene 2996 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Collected
Aug 11, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040812-005TH
Laboratory
MSDH Lab
75.9 ug/l , sample collected Aug 11, 2004, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2004 – Dec 31, 2004
Collected
Aug 11, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040812-005HA
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Aug 11, 2004, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2004 – Dec 31, 2004

Routine (10).