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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

MS0410040 , North Lee W/A #5-Red Hill

37 of the 72 analytes this system has been tested for have been detected at least once, across 157 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 157 samples on record, detections range from October 1, 2003 to September 10, 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 North Lee W/A #5-Red Hill, 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 80 of 80 results Jun 30, 2005 Sep 6, 2023
Lead 1030 Inorganic Chemical 36 of 80 results Jun 30, 2005 Sep 5, 2023
Barium 1010 Inorganic Chemical 10 of 10 results Oct 1, 2003 Mar 11, 2025
Nickel 1036 Inorganic Chemical 7 of 10 results Oct 1, 2003 Mar 11, 2025
Fluoride 1025 Inorganic Chemical 6 of 11 results Oct 1, 2003 Mar 11, 2025
Arsenic 1005 Inorganic Chemical 5 of 10 results Mar 3, 2004 Mar 11, 2025
Chromium 1020 Inorganic Chemical 5 of 10 results Mar 3, 2004 Apr 20, 2015
Sodium 1052 Inorganic Chemical 4 of 4 results Sep 21, 2017 Feb 12, 2025
TTHM 2950 Organic Chemical 4 of 8 results Jun 30, 2004 Nov 2, 2011
Sulfate 1055 Inorganic Chemical 3 of 3 results Oct 1, 2003 Sep 21, 2017
Selenium 1045 Inorganic Chemical 3 of 10 results Oct 1, 2003 Mar 1, 2006
Cyanide 1024 Inorganic Chemical 2 of 10 results Dec 16, 2009 Sep 10, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 2 of 8 results Sep 30, 2009 Feb 12, 2025
Combined Radium (-226 & -228) 4010 Radionuclide 2 of 4 results Sep 28, 2011 Dec 20, 2011
Thallium, Total 1085 Inorganic Chemical 2 of 10 results Mar 30, 2005 Nov 3, 2011
Bromoform 2942 Organic Chemical 2 of 5 results Aug 23, 2007 Nov 2, 2011
Calcium 1016 Inorganic Chemical 1 of 1 result Sep 21, 2017 Sep 21, 2017
Chloride 1017 Inorganic Chemical 1 of 1 result Sep 21, 2017 Sep 21, 2017
Iron 1028 Inorganic Chemical 1 of 1 result Sep 21, 2017 Sep 21, 2017
Magnesium 1031 Inorganic Chemical 1 of 1 result Sep 21, 2017 Sep 21, 2017
Manganese 1032 Inorganic Chemical 1 of 1 result Sep 21, 2017 Sep 21, 2017
Potassium 1042 Inorganic Chemical 1 of 1 result Sep 21, 2017 Sep 21, 2017
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Sep 21, 2017 Sep 21, 2017
Carbon Dioxide 1901 Water Quality 1 of 1 result Sep 21, 2017 Sep 21, 2017
Color 1905 Water Quality 1 of 1 result Sep 21, 2017 Sep 21, 2017
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Sep 21, 2017 Sep 21, 2017
Alkalinity, Total 1927 Water Quality 1 of 1 result Sep 21, 2017 Sep 21, 2017
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Sep 21, 2017 Sep 21, 2017
Calculated Sodium NACA Water Quality 1 of 1 result Sep 21, 2017 Sep 21, 2017
PH, Field Result PHFD Water Quality 1 of 1 result Sep 21, 2017 Sep 21, 2017
Gross Alpha Particle Activity 4109 Radionuclide 1 of 4 results Sep 17, 2012 Sep 17, 2012
Radium-228 4030 Radionuclide 1 of 4 results Dec 20, 2011 Dec 20, 2011
Radium-226 4020 Radionuclide 1 of 4 results Sep 28, 2011 Sep 28, 2011
Monobromoacetic Acid 2453 Organic Chemical 1 of 5 results Aug 23, 2007 Aug 23, 2007
Dibromochloromethane 2944 Organic Chemical 1 of 5 results Aug 23, 2007 Aug 23, 2007
Cadmium 1015 Inorganic Chemical 1 of 10 results Mar 30, 2005 Mar 30, 2005
Antimony, Total 1074 Inorganic Chemical 1 of 10 results Mar 3, 2004 Mar 3, 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 1–10 of 157 samples, newest first — collected September 6, 2023 to September 10, 2025. The summary above covers all 157.

24 results from the 10 samples listed here: 10 detected, 14 not detected. Across the whole record it is 194 of 598. 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 4 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 North Lee W/A #5-Red Hill, every result from 1 to 10 of 157 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
Sep 10, 2025 08:25
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-250911-022
Laboratory
MSDH Lab
0.0226 mg/l , sample collected Sep 10, 2025 08:25, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Aug 27, 2025 09:50
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250828-001
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 27, 2025 09:50, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 11, 2025 09:55
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250312-043
Laboratory
MSDH Lab
0.0008 mg/l , sample collected Mar 11, 2025 09:55, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.214 mg/l , sample collected Mar 11, 2025 09:55, sampling point TF101 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 11, 2025 09:55, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 11, 2025 09:55, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.12 mg/l , sample collected Mar 11, 2025 09:55, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
0.0011 mg/l , sample collected Mar 11, 2025 09:55, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 11, 2025 09:55, sampling point TF101 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 11, 2025 09:55, sampling point TF101 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 11, 2025 09:55, sampling point TF101 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 11, 2025 09:55, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 12, 2025 12:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-250213-004
Laboratory
MSDH Lab
37.8 mg/l , sample collected Feb 12, 2025 12:45, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 12, 2025 12:55
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-250213-011
Laboratory
MSDH Lab
9.07 ug/l , sample collected Feb 12, 2025 12:55, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 12, 2025 12:55
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-250213-011
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 12, 2025 12:55, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 20, 2024 10:35
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240321-016
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 20, 2024 10:35, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 20, 2024 10:35, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 20, 2024 10:35, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Sep 6, 2023 05:30
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-230907-066
Laboratory
MSDH Lab
0.0718 mg/l , sample collected Sep 6, 2023 05:30, sampling point LC0009 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 Sep 6, 2023 05:30, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 6, 2023 06:30
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-230907-065
Laboratory
MSDH Lab
0.0542 mg/l , sample collected Sep 6, 2023 06:30, sampling point LC0006 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 Sep 6, 2023 06:30, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 6, 2023 08:10
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-230907-064
Laboratory
MSDH Lab
0.0588 mg/l , sample collected Sep 6, 2023 08:10, 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 Sep 6, 2023 08:10, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023

Routine (10).