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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; 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 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

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 28 samples, newest first — collected March 11, 2025 to July 8, 2025. The summary above covers all 28.

28 results from the 10 samples listed here: 15 detected, 13 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 8 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 11 to 20 of 28 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 8, 2025 09:11
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-250709-007
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2025 09:11, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Jul 8, 2025 09:23
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-250709-006
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2025 09:23, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Apr 14, 2025 09:50
Sampling point
TF081 Treatment Facility TF081
Sample type
Routine
Lab sample
NI-250415-033
Laboratory
MSDH Lab
0.133 mg/l , sample collected Apr 14, 2025 09:50, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.133 mg/l , sample collected Apr 14, 2025 09:50, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 14, 2025 09:50, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 24, 2025 08:40
Sampling point
TF081 Treatment Facility TF081
Sample type
Routine
Lab sample
IN-250325-012
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 08:40, sampling point TF081 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.014 mg/l , sample collected Mar 24, 2025 08:40, sampling point TF081 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 08:40, sampling point TF081 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0005 mg/l , sample collected Mar 24, 2025 08:40, sampling point TF081 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 08:40, sampling point TF081 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 08:40, sampling point TF081 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0012 mg/l , sample collected Mar 24, 2025 08:40, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 08:40, sampling point TF081 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 08:40, sampling point TF081 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 08:40, sampling point TF081 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 08:40, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 11, 2025 10:15
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-250312-004
Laboratory
MSDH Lab
0.044 mg/l , sample collected Mar 11, 2025 10:15, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Not recorded
1.63 ug/l , sample collected Mar 11, 2025 10:15, sampling point LC0001 Lead 1030 EPA method 200.8 Not recorded
Collected
Mar 11, 2025 10:19
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-250312-003
Laboratory
MSDH Lab
0.0263 mg/l , sample collected Mar 11, 2025 10:19, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Not recorded
2.77 ug/l , sample collected Mar 11, 2025 10:19, sampling point LC0002 Lead 1030 EPA method 200.8 Not recorded
Collected
Mar 11, 2025 10:24
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-250312-002
Laboratory
MSDH Lab
0.00928 mg/l , sample collected Mar 11, 2025 10:24, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 10:24, sampling point LC0003 Lead 1030 EPA method 200.8 Not recorded
Collected
Mar 11, 2025 11:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-250312-001
Laboratory
MSDH Lab
0.0286 mg/l , sample collected Mar 11, 2025 11:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Not recorded
3.16 ug/l , sample collected Mar 11, 2025 11:00, sampling point LC0004 Lead 1030 EPA method 200.8 Not recorded
Collected
Mar 11, 2025 10:43
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-250312-006
Laboratory
MSDH Lab
0.0241 mg/l , sample collected Mar 11, 2025 10:43, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Not recorded
1.15 ug/l , sample collected Mar 11, 2025 10:43, sampling point LC0007 Lead 1030 EPA method 200.8 Not recorded
Collected
Mar 11, 2025 10:55
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-250312-005
Laboratory
MSDH Lab
0.00699 mg/l , sample collected Mar 11, 2025 10:55, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 10:55, sampling point LC0009 Lead 1030 EPA method 200.8 Not recorded

Routine (10).