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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

MS0610012 , Langford Water Association

38 of the 73 analytes this system has been tested for have been detected at least once, across 436 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 436 samples on record, detections range from October 20, 2003 to August 10, 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 Langford 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
Copper, Free 1022 Inorganic Chemical 142 of 142 results Sep 18, 2007 Jul 17, 2025
Lead 1030 Inorganic Chemical 118 of 142 results Sep 18, 2007 Jul 16, 2025
Barium 1010 Inorganic Chemical 35 of 35 results Oct 20, 2003 Mar 24, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 20 of 21 results Aug 11, 2004 Jun 17, 2026
TTHM 2950 Organic Chemical 20 of 20 results Aug 11, 2004 Sep 29, 2025
Fluoride 1025 Inorganic Chemical 20 of 37 results Mar 29, 2004 Mar 24, 2025
Chromium 1020 Inorganic Chemical 20 of 35 results Oct 20, 2003 Sep 6, 2018
Sodium 1052 Inorganic Chemical 14 of 14 results Apr 23, 2009 Aug 10, 2026
Dichloroacetic Acid 2451 Organic Chemical 14 of 14 results Jun 20, 2011 Jun 17, 2026
Trichloroacetic Acid 2452 Organic Chemical 14 of 14 results Jun 20, 2011 Jun 17, 2026
Chloroform 2941 Organic Chemical 13 of 13 results Jun 20, 2011 Sep 29, 2025
Bromodichloromethane 2943 Organic Chemical 13 of 13 results Jun 20, 2011 Sep 29, 2025
Dibromochloromethane 2944 Organic Chemical 12 of 13 results Jun 20, 2011 Sep 29, 2025
Nickel 1036 Inorganic Chemical 12 of 35 results Mar 29, 2004 Oct 17, 2022
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 20 results Mar 15, 2012 Oct 11, 2012
Sulfate 1055 Inorganic Chemical 8 of 8 results Oct 20, 2003 Nov 12, 2010
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 84 results Jun 7, 2004 May 11, 2016
Nitrate 1040 Inorganic Chemical 3 of 84 results Jun 7, 2004 May 11, 2016
Mercury 1035 Inorganic Chemical 2 of 33 results Dec 19, 2016 Dec 19, 2016
Calcium 1016 Inorganic Chemical 2 of 2 results Apr 23, 2009 Nov 12, 2010
Potassium 1042 Inorganic Chemical 2 of 2 results Apr 23, 2009 Nov 12, 2010
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Apr 23, 2009 Nov 12, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Apr 23, 2009 Nov 12, 2010
Carbon Dioxide 1901 Water Quality 2 of 2 results Apr 23, 2009 Nov 12, 2010
Color 1905 Water Quality 2 of 2 results Apr 23, 2009 Nov 12, 2010
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Apr 23, 2009 Nov 12, 2010
Alkalinity, Total 1927 Water Quality 2 of 2 results Apr 23, 2009 Nov 12, 2010
Calculated Sodium NACA Water Quality 2 of 2 results Apr 23, 2009 Nov 12, 2010
Dichloromethane 2964 Organic Chemical 2 of 58 results Aug 31, 2004 Aug 31, 2004
Toluene 2991 Organic Chemical 1 of 58 results Jan 28, 2025 Jan 28, 2025
Monobromoacetic Acid 2453 Organic Chemical 1 of 14 results Oct 13, 2020 Oct 13, 2020
Chloride 1017 Inorganic Chemical 1 of 2 results Nov 12, 2010 Nov 12, 2010
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Nov 12, 2010 Nov 12, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Nov 12, 2010 Nov 12, 2010
Xylenes, Total 2955 Organic Chemical 1 of 58 results May 13, 2009 May 13, 2009
Manganese 1032 Inorganic Chemical 1 of 2 results Apr 23, 2009 Apr 23, 2009
PH 1925 Water Quality 1 of 1 result Apr 23, 2009 Apr 23, 2009
Selenium 1045 Inorganic Chemical 1 of 35 results Mar 29, 2004 Mar 29, 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 141–150 of 436 samples, newest first — collected May 15, 2019 to July 23, 2019. The summary above covers all 436.

56 results from the 10 samples listed here: 8 detected, 48 not detected. Across the whole record it is 522 of 2,491. 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 Langford Water Association, every result from 141 to 150 of 436 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 23, 2019 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190723-032PB
Laboratory
MSDH Lab
0.1903 mg/l , sample collected Jul 23, 2019 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0008 mg/l , sample collected Jul 23, 2019 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 23, 2019 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190723-028PB
Laboratory
MSDH Lab
0.069 mg/l , sample collected Jul 23, 2019 06:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0011 mg/l , sample collected Jul 23, 2019 06:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 22, 2019 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190723-043PB
Laboratory
MSDH Lab
0.2328 mg/l , sample collected Jul 22, 2019 08:40, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0022 mg/l , sample collected Jul 22, 2019 08:40, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 22, 2019 16:57
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190723-031PB
Laboratory
MSDH Lab
0.3679 mg/l , sample collected Jul 22, 2019 16:57, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0022 mg/l , sample collected Jul 22, 2019 16:57, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 26, 2019 12:25
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
190627-019CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 26, 2019 12:25, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 26, 2019 11:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190627-013CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 26, 2019 11:30, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 26, 2019 12:10
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
190627-008CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 26, 2019 12:10, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 4, 2019 12:10
Sampling point
TF105
Sample type
Routine
Lab sample
190605-004VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Dichloromethane 2964 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Benzene 2990 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Toluene 2991 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:10, sampling point TF105 Styrene 2996 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Collected
Jun 4, 2019 11:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190605-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 11:40, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2014 – Dec 31, 2019
Collected
May 15, 2019 09:35
Sampling point
TF105
Sample type
Routine
Lab sample
190516-006NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 15, 2019 09:35, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 15, 2019 09:35, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 15, 2019 09:35, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019

Routine (10).