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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

MS0270004 , Town of Louise

20 of the 57 analytes this system has been tested for have been detected at least once, across 301 samples on record.

The other 37 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 301 samples on record, detections range from September 9, 1993 to March 26, 2025. 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 Town of Louise, 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 122 of 137 results Sep 9, 1993 Jul 24, 2023
Lead 1030 Inorganic Chemical 82 of 137 results Sep 9, 1993 Jul 24, 2023
Barium 1010 Inorganic Chemical 18 of 19 results Sep 17, 2003 Feb 11, 2025
TTHM 2950 Organic Chemical 17 of 20 results Jun 7, 2004 Mar 26, 2025
Fluoride 1025 Inorganic Chemical 16 of 19 results Sep 17, 2003 Feb 11, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 15 of 20 results Jun 7, 2004 Nov 18, 2024
Chromium 1020 Inorganic Chemical 11 of 19 results Feb 9, 2004 Jan 9, 2024
Chloroform 2941 Organic Chemical 10 of 13 results Oct 23, 2006 Nov 18, 2024
Bromodichloromethane 2943 Organic Chemical 9 of 13 results Oct 23, 2006 Nov 18, 2024
Dichloroacetic Acid 2451 Organic Chemical 8 of 12 results Jun 15, 2011 Nov 18, 2024
Trichloroacetic Acid 2452 Organic Chemical 8 of 12 results Jun 15, 2011 Nov 18, 2024
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 23, 2019 Dec 3, 2024
Xylenes, Total 2955 Organic Chemical 6 of 27 results Aug 27, 2007 Dec 6, 2022
Selenium 1045 Inorganic Chemical 4 of 19 results Mar 14, 2005 Feb 6, 2006
Nickel 1036 Inorganic Chemical 3 of 19 results Dec 3, 2007 Mar 2, 2015
Nitrite 1041 Inorganic Chemical 3 of 43 results Apr 23, 2007 Feb 6, 2013
Dibromochloromethane 2944 Organic Chemical 2 of 13 results Apr 17, 2019 Nov 18, 2024
Ethylbenzene 2992 Organic Chemical 2 of 27 results Aug 27, 2007 Jun 21, 2010
Sulfate 1055 Inorganic Chemical 2 of 2 results Sep 17, 2003 Feb 9, 2004
Monobromoacetic Acid 2453 Organic Chemical 1 of 12 results Jun 16, 2020 Jun 16, 2020

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 41–50 of 301 samples, newest first — collected June 30, 2020 to May 11, 2021. The summary above covers all 301.

36 results from the 10 samples listed here: 7 detected, 29 not detected. Across the whole record it is 345 of 1,407. 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 Town of Louise, every result from 41 to 50 of 301 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 11, 2021 11:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-210512-001
Laboratory
MSDH Lab
23.2 ug/l , sample collected May 11, 2021 11:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2021 – Dec 31, 2021
Collected
May 11, 2021 11:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-210512-001
Laboratory
MSDH Lab
32.4 ug/l , sample collected May 11, 2021 11:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Collected
Apr 12, 2021 10:00
Sampling point
TF103 Treatmnt Plant T103
Sample type
Routine
Lab sample
210413-015VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
0.651 ug/l , sample collected Apr 12, 2021 10:00, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2021 10:00, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Collected
Feb 23, 2021 08:35
Sampling point
TF103 Treatmnt Plant T103
Sample type
Routine
Lab sample
NA-210224-046
Laboratory
MSDH Lab
101 mg/l , sample collected Feb 23, 2021 08:35, sampling point TF103 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 23, 2021 08:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-210224-045
Laboratory
MSDH Lab
102 mg/l , sample collected Feb 23, 2021 08:30, sampling point TF102 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 23, 2021 08:25
Sampling point
TF103 Treatmnt Plant T103
Sample type
Routine
Lab sample
NI-210224-043
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 23, 2021 08:25, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 23, 2021 08:25, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 23, 2021 08:25, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Feb 23, 2021 08:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-210224-042
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 23, 2021 08:20, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 23, 2021 08:20, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 23, 2021 08:20, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Feb 11, 2021 10:00
Sampling point
TF103 Treatmnt Plant T103
Sample type
Routine
Lab sample
CN-210212-001
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 11, 2021 10:00, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2019 – Dec 31, 2021
Collected
Jun 30, 2020 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200701-100PB
Laboratory
MSDH Lab
0.0475 mg/l , sample collected Jun 30, 2020 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2020 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 30, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200701-099PB
Laboratory
MSDH Lab
0.0095 mg/l , sample collected Jun 30, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2020 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).