Chemical and radiological sample results

MS0400008 , Southwest Leake Water Assn

22 of the 57 analytes this system has been tested for have been detected at least once, across 351 samples on record.

The other 35 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 351 samples on record, detections range from November 3, 2003 to July 27, 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 Southwest Leake Water Assn, 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
Copper, Free 1022	Inorganic Chemical	71 of 71 results	Aug 2, 2007	Jul 27, 2026
Total Haloacetic Acids (Haa5) 2456	Organic Chemical	45 of 47 results	Sep 1, 2004	Jun 29, 2026
Lead 1030	Inorganic Chemical	43 of 71 results	Aug 2, 2007	Jul 27, 2026
TTHM 2950	Organic Chemical	41 of 44 results	Jun 28, 2004	Apr 14, 2025
Barium 1010	Inorganic Chemical	26 of 26 results	Nov 3, 2003	Mar 10, 2025
Chloroform 2941	Organic Chemical	25 of 26 results	Oct 10, 2006	Jun 26, 2018
Bromodichloromethane 2943	Organic Chemical	25 of 26 results	Oct 10, 2006	Jun 26, 2018
Dichloroacetic Acid 2451	Organic Chemical	23 of 25 results	Jun 30, 2008	Jun 29, 2026
Trichloroacetic Acid 2452	Organic Chemical	23 of 25 results	Jun 30, 2008	Jun 29, 2026
Fluoride 1025	Inorganic Chemical	22 of 26 results	Nov 3, 2003	Aug 29, 2022
Chromium 1020	Inorganic Chemical	20 of 26 results	Nov 3, 2003	Mar 10, 2025
Gross Alpha, Incl. Radon & U 4002	Radionuclide	10 of 15 results	Mar 6, 2012	Oct 2, 2012
Sodium 1052	Inorganic Chemical	9 of 9 results	Sep 24, 2019	Feb 12, 2025
Monochloroacetic Acid 2450	Organic Chemical	6 of 25 results	Mar 9, 2009	Nov 14, 2017
Nickel 1036	Inorganic Chemical	5 of 26 results	Nov 3, 2003	Mar 10, 2025
Dibromochloromethane 2944	Organic Chemical	4 of 26 results	Jun 30, 2008	Jul 20, 2015
Sulfate 1055	Inorganic Chemical	4 of 4 results	Nov 3, 2003	Mar 3, 2004
Xylenes, Total 2955	Organic Chemical	2 of 36 results	Sep 15, 2014	Jun 18, 2019
Dichloromethane 2964	Organic Chemical	2 of 36 results	Aug 10, 2004	Aug 10, 2004
Carbon Tetrachloride 2982	Organic Chemical	1 of 36 results	Jun 25, 2018	Jun 25, 2018
Monobromoacetic Acid 2453	Organic Chemical	1 of 25 results	Mar 9, 2009	Mar 9, 2009
Selenium 1045	Inorganic Chemical	1 of 26 results	Nov 5, 2008	Nov 5, 2008

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 11–20 of 34 samples, newest first — collected June 2, 2025 to July 26, 2026. The summary above covers all 34.

44 results from the 10 samples listed here: 3 detected, 41 not detected. Across the whole record it is 409 of 1,803. 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

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

We withheld the location of 1 sampling point 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 Southwest Leake Water Assn, every result from 11 to 20 of 34 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 Jul 26, 2026 Sampling point TF104 Treatment Plant T104 Sample type Routine Lab sample 35053930001 Laboratory Pace Analytical Services, LLC
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	1,2,4-Trichlorobenzene 2378 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Cis-1,2-Dichloroethylene 2380 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Xylenes, Total 2955 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Dichloromethane 2964 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	O-Dichlorobenzene 2968 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	P-Dichlorobenzene 2969 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Vinyl Chloride 2976 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	1,1-Dichloroethylene 2977 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Trans-1,2-Dichloroethylene 2979 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	1,2-Dichloroethane 2980 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	1,1,1-Trichloroethane 2981 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Carbon Tetrachloride 2982 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	1,2-Dichloropropane 2983 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Trichloroethylene 2984 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	1,1,2-Trichloroethane 2985 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Tetrachloroethylene 2987 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Chlorobenzene 2989 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Benzene 2990 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Toluene 2991 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Ethylbenzene 2992 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 26, 2026, sampling point TF104	Styrene 2996 EPA method 524.2	Jan 1, 2026 – Dec 31, 2028
Collected Jun 29, 2026 17:00 Sampling point SMH Location withheld Sample type Routine Lab sample 810-198046-1 Laboratory Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 29, 2026 17:00, sampling point SMH	Monochloroacetic Acid 2450 EPA method 552.2	Not recorded
11 ug/l , sample collected Jun 29, 2026 17:00, sampling point SMH	Dichloroacetic Acid 2451 EPA method 552.2	Not recorded
16 ug/l , sample collected Jun 29, 2026 17:00, sampling point SMH	Trichloroacetic Acid 2452 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 29, 2026 17:00, sampling point SMH	Monobromoacetic Acid 2453 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 29, 2026 17:00, sampling point SMH	Dibromoacetic Acid 2454 EPA method 552.2	Not recorded
27 ug/l , sample collected Jun 29, 2026 17:00, sampling point SMH	Total Haloacetic Acids (Haa5) 2456 EPA method 552.2	Jan 1, 2026 – Dec 31, 2026
Collected Feb 9, 2026 16:00 Sampling point SMH Location withheld Sample type Routine Lab sample 810-180503-1 Laboratory Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 9, 2026 16:00, sampling point SMH	Chloroform 2941 EPA method 524.2	Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 9, 2026 16:00, sampling point SMH	Bromoform 2942 EPA method 524.2	Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 9, 2026 16:00, sampling point SMH	Bromodichloromethane 2943 EPA method 524.2	Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 9, 2026 16:00, sampling point SMH	Dibromochloromethane 2944 EPA method 524.2	Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 9, 2026 16:00, sampling point SMH	TTHM 2950 EPA method 524.2	Jan 1, 2026 – Dec 31, 2026
Collected Sep 9, 2025 16:00 Sampling point TF105 Sample type Routine Lab sample IN-250911-003 Laboratory MSDH Lab
Not detected below 0.2 ug/l Minimum Reporting Level , sample collected Sep 9, 2025 16:00, sampling point TF105	Mercury 1035 EPA method 245.1	Jan 1, 2023 – Dec 31, 2025
Collected Sep 9, 2025 16:35 Sampling point TF103 Treatment Plant T103 Sample type Routine Lab sample IN-250911-025 Laboratory MSDH Lab
Not detected below 0.2 ug/l Minimum Reporting Level , sample collected Sep 9, 2025 16:35, sampling point TF103	Mercury 1035 EPA method 245.1	Jan 1, 2023 – Dec 31, 2025
Collected Sep 9, 2025 16:20 Sampling point TF104 Treatment Plant T104 Sample type Routine Lab sample IN-250911-013 Laboratory MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 9, 2025 16:20, sampling point TF104	Mercury 1035 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
Collected Sep 2, 2025 16:30 Sampling point TF105 Sample type Routine Lab sample CN-250903-044 Laboratory MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 2, 2025 16:30, sampling point TF105	Cyanide 1024 EPA method QC10204001X	Jan 1, 2023 – Dec 31, 2025
Collected Sep 2, 2025 16:15 Sampling point TF104 Treatment Plant T104 Sample type Routine Lab sample CN-250903-046 Laboratory MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 2, 2025 16:15, sampling point TF104	Cyanide 1024 EPA method QC10204001X	Jan 1, 2023 – Dec 31, 2025
Collected Sep 2, 2025 16:00 Sampling point TF103 Treatment Plant T103 Sample type Routine Lab sample CN-250903-045 Laboratory MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 2, 2025 16:00, sampling point TF103	Cyanide 1024 EPA method QC10204001X	Jan 1, 2023 – Dec 31, 2025
Collected Jun 2, 2025 16:00 Sampling point SMH Location withheld Sample type Routine Lab sample 810-150958-1 Laboratory Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 2, 2025 16:00, sampling point SMH	Monochloroacetic Acid 2450 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 2, 2025 16:00, sampling point SMH	Dichloroacetic Acid 2451 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 2, 2025 16:00, sampling point SMH	Trichloroacetic Acid 2452 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 2, 2025 16:00, sampling point SMH	Monobromoacetic Acid 2453 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 2, 2025 16:00, sampling point SMH	Dibromoacetic Acid 2454 EPA method 552.2	Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 2, 2025 16:00, sampling point SMH	Total Haloacetic Acids (Haa5) 2456 EPA method 552.2	Jan 1, 2025 – Dec 31, 2025

Collected
Jul 26, 2026

Sampling point
TF104 Treatment Plant T104

Sample type
Routine

Lab sample
35053930001

Laboratory
Pace Analytical Services, LLC

Monitoring period
Jan 1, 2026 – Dec 31, 2028
- 1,2,4-Trichlorobenzene 2378 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Cis-1,2-Dichloroethylene 2380 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Xylenes, Total 2955 EPA method 524.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
- Dichloromethane 2964 EPA method 524.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
- O-Dichlorobenzene 2968 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- P-Dichlorobenzene 2969 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Vinyl Chloride 2976 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,1-Dichloroethylene 2977 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Trans-1,2-Dichloroethylene 2979 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,2-Dichloroethane 2980 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,1,1-Trichloroethane 2981 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Carbon Tetrachloride 2982 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,2-Dichloropropane 2983 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Trichloroethylene 2984 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- 1,1,2-Trichloroethane 2985 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Tetrachloroethylene 2987 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Chlorobenzene 2989 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Benzene 2990 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Toluene 2991 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Ethylbenzene 2992 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
- Styrene 2996 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
Collected
Jun 29, 2026 17:00

Sampling point
SMH Location withheld

Sample type
Routine

Lab sample
810-198046-1

Laboratory
Eurofins Eaton Analytical South Bend in
- Monochloroacetic Acid 2450 EPA method 552.2
  
  Result
  Not detected below 2 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dichloroacetic Acid 2451 EPA method 552.2
  
  Result
  11 ug/l
  
  Monitoring period
  Not recorded
- Trichloroacetic Acid 2452 EPA method 552.2
  
  Result
  16 ug/l
  
  Monitoring period
  Not recorded
- Monobromoacetic Acid 2453 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dibromoacetic Acid 2454 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
  
  Result
  27 ug/l
  
  Monitoring period
  Jan 1, 2026 – Dec 31, 2026
Collected
Feb 9, 2026 16:00

Sampling point
SMH Location withheld

Sample type
Routine

Lab sample
810-180503-1

Laboratory
Eurofins Eaton Analytical South Bend in
- Chloroform 2941 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Bromoform 2942 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Bromodichloromethane 2943 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dibromochloromethane 2944 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- TTHM 2950 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2026 – Dec 31, 2026
Collected
Sep 9, 2025 16:00

Sampling point
TF105

Sample type
Routine

Lab sample
IN-250911-003

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- Mercury 1035 EPA method 245.1
  
  Result
  Not detected below 0.2 ug/l Minimum Reporting Level
Collected
Sep 9, 2025 16:35

Sampling point
TF103 Treatment Plant T103

Sample type
Routine

Lab sample
IN-250911-025

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- Mercury 1035 EPA method 245.1
  
  Result
  Not detected below 0.2 ug/l Minimum Reporting Level
Collected
Sep 9, 2025 16:20

Sampling point
TF104 Treatment Plant T104

Sample type
Routine

Lab sample
IN-250911-013

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- Mercury 1035 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
Collected
Sep 2, 2025 16:30

Sampling point
TF105

Sample type
Routine

Lab sample
CN-250903-044

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- Cyanide 1024 EPA method QC10204001X
  
  Result
  Not detected below 0.015 mg/l Minimum Reporting Level
Collected
Sep 2, 2025 16:15

Sampling point
TF104 Treatment Plant T104

Sample type
Routine

Lab sample
CN-250903-046

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- Cyanide 1024 EPA method QC10204001X
  
  Result
  Not detected below 0.015 mg/l Minimum Reporting Level
Collected
Sep 2, 2025 16:00

Sampling point
TF103 Treatment Plant T103

Sample type
Routine

Lab sample
CN-250903-045

Laboratory
MSDH Lab

Monitoring period
Jan 1, 2023 – Dec 31, 2025
- Cyanide 1024 EPA method QC10204001X
  
  Result
  Not detected below 0.015 mg/l Minimum Reporting Level
Collected
Jun 2, 2025 16:00

Sampling point
SMH Location withheld

Sample type
Routine

Lab sample
810-150958-1

Laboratory
Eurofins Eaton Analytical South Bend in
- Monochloroacetic Acid 2450 EPA method 552.2
  
  Result
  Not detected below 2 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dichloroacetic Acid 2451 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Trichloroacetic Acid 2452 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Monobromoacetic Acid 2453 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dibromoacetic Acid 2454 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
  
  Result
  Not detected below 2 ug/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2025 – Dec 31, 2025

Routine (10).