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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

MS0690051 , The Highlands

26 of the 72 analytes this system has been tested for have been detected at least once, across 227 samples on record.

The other 46 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 227 samples on record, detections range from December 9, 2010 to September 23, 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 The Highlands, 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 158 of 158 results Apr 10, 2012 Sep 23, 2025
Lead 1030 Inorganic Chemical 127 of 158 results Apr 10, 2012 Sep 23, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 11 of 12 results Apr 11, 2012 Apr 14, 2025
Nitrate 1040 Inorganic Chemical 11 of 12 results Apr 11, 2012 Apr 14, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Mar 29, 2012 Oct 17, 2012
Barium 1010 Inorganic Chemical 4 of 4 results Apr 9, 2014 Mar 24, 2025
Sodium 1052 Inorganic Chemical 3 of 3 results Dec 9, 2010 Dec 14, 2023
Chromium 1020 Inorganic Chemical 2 of 4 results Apr 9, 2014 Mar 24, 2025
Nickel 1036 Inorganic Chemical 2 of 4 results Apr 9, 2014 Mar 24, 2025
Calcium 1016 Inorganic Chemical 2 of 2 results Dec 9, 2010 Jun 14, 2021
Chloride 1017 Inorganic Chemical 2 of 2 results Dec 9, 2010 Jun 14, 2021
Alkalinity, Total 1927 Water Quality 2 of 2 results Dec 9, 2010 Jun 14, 2021
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 1 of 13 results Jul 8, 2025 Jul 8, 2025
Nitrite 1041 Inorganic Chemical 1 of 12 results Oct 27, 2021 Oct 27, 2021
Fluoride 1025 Inorganic Chemical 1 of 6 results Jun 14, 2021 Jun 14, 2021
Sulfate 1055 Inorganic Chemical 1 of 2 results Jun 14, 2021 Jun 14, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 1 of 1 result Jun 14, 2021 Jun 14, 2021
Magnesium 1031 Inorganic Chemical 1 of 1 result Dec 9, 2010 Dec 9, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result Dec 9, 2010 Dec 9, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result Dec 9, 2010 Dec 9, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Dec 9, 2010 Dec 9, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Dec 9, 2010 Dec 9, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result Dec 9, 2010 Dec 9, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Dec 9, 2010 Dec 9, 2010
Calculated Sodium NACA Water Quality 1 of 1 result Dec 9, 2010 Dec 9, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Dec 9, 2010 Dec 9, 2010

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 51–60 of 227 samples, newest first — collected June 13, 2023 to October 4, 2023. The summary above covers all 227.

17 results from the 10 samples listed here: 10 detected, 7 not detected. Across the whole record it is 343 of 814. 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 9 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 The Highlands, every result from 51 to 60 of 227 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
Oct 4, 2023 13:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-231005-001
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 4, 2023 13:00, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Oct 4, 2023 13:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-231005-002
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 4, 2023 13:00, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2023
Collected
Oct 4, 2023 13:15
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
HA-231005-001
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 4, 2023 13:15, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 06:11
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-230615-108
Laboratory
MSDH Lab
0.0656 mg/l , sample collected Jun 14, 2023 06:11, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
2.2 ug/l , sample collected Jun 14, 2023 06:11, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Collected
Jun 13, 2023 07:00
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-230615-109
Laboratory
MSDH Lab
0.0249 mg/l , sample collected Jun 13, 2023 07:00, sampling point LC0014 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 07:00, sampling point LC0014 Lead 1030 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Collected
Jun 13, 2023 07:10
Sampling point
LC0015 Location withheld
Sample type
Routine
Lab sample
PB-230615-106
Laboratory
MSDH Lab
0.0421 mg/l , sample collected Jun 13, 2023 07:10, sampling point LC0015 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 07:10, sampling point LC0015 Lead 1030 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Collected
Jun 13, 2023 08:00
Sampling point
LC0016 Location withheld
Sample type
Routine
Lab sample
PB-230615-105
Laboratory
MSDH Lab
0.0248 mg/l , sample collected Jun 13, 2023 08:00, sampling point LC0016 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 08:00, sampling point LC0016 Lead 1030 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Collected
Jun 13, 2023 07:10
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-230615-104
Laboratory
MSDH Lab
0.0445 mg/l , sample collected Jun 13, 2023 07:10, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 07:10, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Collected
Jun 13, 2023 05:00
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-230615-103
Laboratory
MSDH Lab
0.116 mg/l , sample collected Jun 13, 2023 05:00, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
1.7 ug/l , sample collected Jun 13, 2023 05:00, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
Collected
Jun 13, 2023 10:30
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-230615-102
Laboratory
MSDH Lab
0.051 mg/l , sample collected Jun 13, 2023 10:30, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023
1.2 ug/l , sample collected Jun 13, 2023 10:30, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2023 – Jun 30, 2023

Routine (10).