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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 241–250 of 297 samples, newest first — collected September 10, 2008 to May 18, 2009. The summary above covers all 297.

54 results from the 10 samples listed here: 41 detected, 13 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

TTHM 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 241 to 250 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 18, 2009
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
090519-013TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 18, 2009, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 18, 2009, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 18, 2009, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 18, 2009, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. 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 May 18, 2009, sampling point MRT000 TTHM 2950 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Collected
May 11, 2009
Sampling point
SM2 SM2
Sample type
Routine
Lab sample
090512-012TH
Laboratory
MSDH Lab
3.5 ug/l , sample collected May 11, 2009, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
17 ug/l , sample collected May 11, 2009, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
5.85 ug/l , sample collected May 11, 2009, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
13.9 ug/l , sample collected May 11, 2009, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
40.25 ug/l , sample collected May 11, 2009, sampling point SM2 TTHM 2950 EPA method 524.2 Not recorded
Collected
May 11, 2009
Sampling point
SM1 SM1
Sample type
Routine
Lab sample
090512-011TH
Laboratory
MSDH Lab
3.51 ug/l , sample collected May 11, 2009, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
17.1 ug/l , sample collected May 11, 2009, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
5.82 ug/l , sample collected May 11, 2009, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
13.9 ug/l , sample collected May 11, 2009, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
40.33 ug/l , sample collected May 11, 2009, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
May 11, 2009
Sampling point
SM2 SM2
Sample type
Routine
Lab sample
090512-012HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.001 mg/l , sample collected May 11, 2009, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.005 mg/l , sample collected May 11, 2009, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 mg/l This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. , sample collected May 11, 2009, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
May 11, 2009
Sampling point
SM1 SM1
Sample type
Routine
Lab sample
090512-011HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.001 mg/l , sample collected May 11, 2009, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.005 mg/l , sample collected May 11, 2009, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 mg/l This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. , sample collected May 11, 2009, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Jan 26, 2009
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
090127-004TH
Laboratory
MSDH Lab
5.73 ug/l , sample collected Jan 26, 2009, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
8.99 ug/l , sample collected Jan 26, 2009, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
11 ug/l , sample collected Jan 26, 2009, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
19.9 ug/l , sample collected Jan 26, 2009, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
45.62 ug/l , sample collected Jan 26, 2009, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2009 – Mar 31, 2009
Collected
Jan 26, 2009
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
090127-008HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jan 26, 2009, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jan 26, 2009, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jan 26, 2009, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 26, 2009, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Jan 26, 2009, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 mg/l This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. , sample collected Jan 26, 2009, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2009 – Mar 31, 2009
Collected
Nov 5, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
081106-011TH
Laboratory
MSDH Lab
8.62 ug/l , sample collected Nov 5, 2008, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
13.8 ug/l , sample collected Nov 5, 2008, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
17.2 ug/l , sample collected Nov 5, 2008, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
34.2 ug/l , sample collected Nov 5, 2008, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
73.82 ug/l , sample collected Nov 5, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Oct 1, 2008 – Dec 31, 2008
Collected
Nov 5, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
081106-011HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Nov 5, 2008, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Nov 5, 2008, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Nov 5, 2008, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Nov 5, 2008, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.015 mg/l , sample collected Nov 5, 2008, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.02 mg/l , sample collected Nov 5, 2008, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2008 – Dec 31, 2008
Collected
Sep 10, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080911-008TH
Laboratory
MSDH Lab
9.97 ug/l , sample collected Sep 10, 2008, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
48.3 ug/l , sample collected Sep 10, 2008, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
30.6 ug/l , sample collected Sep 10, 2008, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
76.1 ug/l , sample collected Sep 10, 2008, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
164.97 ug/l , sample collected Sep 10, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Jul 1, 2008 – Sep 30, 2008

Routine (10).