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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

MS0260012 , City of Lexington

36 of the 74 analytes this system has been tested for have been detected at least once, across 317 samples on record.

The other 38 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 317 samples on record, detections range from October 12, 1993 to August 12, 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 City of Lexington, 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 145 of 165 results Oct 12, 1993 Jul 11, 2023
Lead 1030 Inorganic Chemical 104 of 165 results Oct 12, 1993 Jul 11, 2023
Barium 1010 Inorganic Chemical 20 of 20 results Sep 17, 2003 Feb 10, 2025
TTHM 2950 Organic Chemical 19 of 21 results Jun 7, 2004 Aug 12, 2025
Fluoride 1025 Inorganic Chemical 17 of 21 results Sep 17, 2003 May 16, 2022
Chloroform 2941 Organic Chemical 15 of 16 results Aug 6, 2007 Aug 12, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 15 of 22 results Aug 6, 2007 Mar 24, 2025
Bromodichloromethane 2943 Organic Chemical 13 of 16 results Aug 6, 2007 Aug 12, 2025
Dibromochloromethane 2944 Organic Chemical 11 of 16 results Aug 6, 2007 Aug 12, 2025
Dichloroacetic Acid 2451 Organic Chemical 10 of 15 results Sep 22, 2008 Aug 6, 2024
Trichloroacetic Acid 2452 Organic Chemical 9 of 15 results Sep 22, 2008 Aug 6, 2024
Chromium 1020 Inorganic Chemical 9 of 20 results Feb 9, 2004 Apr 20, 2020
Nitrate-Nitrite 1038 Inorganic Chemical 7 of 32 results May 17, 2004 Feb 6, 2012
Nitrate 1040 Inorganic Chemical 7 of 32 results May 17, 2004 Feb 6, 2012
Nickel 1036 Inorganic Chemical 6 of 20 results Feb 6, 2006 Jan 8, 2024
Sodium 1052 Inorganic Chemical 5 of 5 results Apr 9, 2009 Feb 5, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Mar 5, 2012 Oct 4, 2012
Sulfate 1055 Inorganic Chemical 5 of 5 results Sep 17, 2003 Apr 9, 2009
Selenium 1045 Inorganic Chemical 4 of 20 results Mar 14, 2005 Feb 6, 2006
Cadmium 1015 Inorganic Chemical 3 of 20 results Mar 14, 2005 Feb 6, 2006
Xylenes, Total 2955 Organic Chemical 1 of 19 results May 22, 2023 May 22, 2023
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Aug 25, 2020 Aug 25, 2020
Calcium 1016 Inorganic Chemical 1 of 1 result Apr 9, 2009 Apr 9, 2009
Magnesium 1031 Inorganic Chemical 1 of 1 result Apr 9, 2009 Apr 9, 2009
Manganese 1032 Inorganic Chemical 1 of 1 result Apr 9, 2009 Apr 9, 2009
Potassium 1042 Inorganic Chemical 1 of 1 result Apr 9, 2009 Apr 9, 2009
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Apr 9, 2009 Apr 9, 2009
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Apr 9, 2009 Apr 9, 2009
Carbon Dioxide 1901 Water Quality 1 of 1 result Apr 9, 2009 Apr 9, 2009
Color 1905 Water Quality 1 of 1 result Apr 9, 2009 Apr 9, 2009
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Apr 9, 2009 Apr 9, 2009
Alkalinity, Total 1927 Water Quality 1 of 1 result Apr 9, 2009 Apr 9, 2009
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Apr 9, 2009 Apr 9, 2009
Calculated Sodium NACA Water Quality 1 of 1 result Apr 9, 2009 Apr 9, 2009
PH, Field Result PHFD Water Quality 1 of 1 result Apr 9, 2009 Apr 9, 2009
Temperature, Field Result TEMP Water Quality 1 of 1 result Apr 9, 2009 Apr 9, 2009

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 31–40 of 317 samples, newest first — collected January 30, 2023 to July 11, 2023. The summary above covers all 317.

57 results from the 10 samples listed here: 9 detected, 48 not detected. Across the whole record it is 445 of 1,327. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 5 sampling points 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 City of Lexington, every result from 31 to 40 of 317 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 11, 2023 07:00
Sampling point
LC0019 Location withheld
Sample type
Routine
Lab sample
PB-230712-075
Laboratory
MSDH Lab
0.241 mg/l , sample collected Jul 11, 2023 07:00, sampling point LC0019 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 11, 2023 07:00, sampling point LC0019 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 11, 2023 08:09
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-230712-079
Laboratory
MSDH Lab
0.0764 mg/l , sample collected Jul 11, 2023 08:09, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 11, 2023 08:09, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 11, 2023 06:00
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-230712-084
Laboratory
MSDH Lab
0.149 mg/l , sample collected Jul 11, 2023 06:00, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 11, 2023 06:00, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 11, 2023 07:00
Sampling point
LC0015 Location withheld
Sample type
Routine
Lab sample
PB-230712-083
Laboratory
MSDH Lab
0.0617 mg/l , sample collected Jul 11, 2023 07:00, sampling point LC0015 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.5 ug/l , sample collected Jul 11, 2023 07:00, sampling point LC0015 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 11, 2023 06:05
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-230712-082
Laboratory
MSDH Lab
0.0371 mg/l , sample collected Jul 11, 2023 06:05, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 11, 2023 06:05, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
May 22, 2023 12:20
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
VO-230523-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:20, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
May 22, 2023 12:46
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
VO-230523-001
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
1.866 ug/l , sample collected May 22, 2023 12:46, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2023 12:46, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
May 16, 2023 13:34
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230517-020
Laboratory
MSDH Lab
3.13 ug/l , sample collected May 16, 2023 13:34, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
May 16, 2023 13:12
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230517-020
Laboratory
MSDH Lab
3.95 ug/l , sample collected May 16, 2023 13:12, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Jan 30, 2023 13:34
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-230131-023
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2023 13:34, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2023 13:34, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2023 13:34, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023

Routine (10).