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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

MS0240273 , HCUA-North

9 of the 42 analytes this system has been tested for have been detected at least once, across 63 samples on record.

The other 33 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 63 samples on record, detections range from December 9, 2014 to July 22, 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 HCUA-North, 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
Xylenes, Total 2955 Organic Chemical 11 of 27 results Mar 23, 2015 Jul 8, 2026
Ethylbenzene 2992 Organic Chemical 8 of 27 results Mar 23, 2015 Oct 10, 2023
Fluoride 1025 Inorganic Chemical 4 of 4 results Mar 9, 2015 Jul 22, 2026
Barium 1010 Inorganic Chemical 4 of 4 results Mar 9, 2015 Jun 17, 2026
Sodium 1052 Inorganic Chemical 2 of 2 results Feb 4, 2025 Feb 4, 2025
Chromium 1020 Inorganic Chemical 2 of 4 results Mar 9, 2015 Mar 9, 2015
Gross Alpha, Incl. Radon & U 4002 Radionuclide 2 of 4 results Dec 9, 2014 Dec 9, 2014
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 10 results Oct 25, 2022 Oct 25, 2022
Nitrate 1040 Inorganic Chemical 1 of 10 results Oct 25, 2022 Oct 25, 2022

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 63 samples, newest first — collected December 9, 2014 to March 9, 2015. The summary above covers all 63.

24 results from the 10 samples listed here: 4 detected, 20 not detected. Across the whole record it is 35 of 667. 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 HCUA-North, every result from 51 to 60 of 63 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
Mar 9, 2015 12:45
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
150310-027IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 9, 2015 12:45, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0117 mg/l , sample collected Mar 9, 2015 12:45, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 9, 2015 12:45, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0012 mg/l , sample collected Mar 9, 2015 12:45, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.17 mg/l , sample collected Mar 9, 2015 12:45, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 9, 2015 12:45, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 9, 2015 12:45, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 9, 2015 12:45, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 9, 2015 12:45, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 9, 2015 12:45, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 9, 2015 12:45, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Feb 25, 2015 12:20
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
150226-012CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 25, 2015 12:20, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Feb 25, 2015 12:50
Sampling point
TF102 Treatment Facility TF102
Sample type
Routine
Lab sample
150226-010CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 25, 2015 12:50, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Feb 11, 2015 13:15
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
150212-014NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 11, 2015 13:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 11, 2015 13:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 11, 2015 13:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Feb 9, 2015 13:10
Sampling point
TF102 Treatment Facility TF102
Sample type
Routine
Lab sample
150210-020NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 9, 2015 13:10, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 9, 2015 13:10, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 9, 2015 13:10, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Feb 5, 2015 13:00
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
150206-009RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 5, 2015 13:00, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jan 1, 2015 – Mar 31, 2015
Collected
Feb 5, 2015 13:20
Sampling point
TF102 Treatment Facility TF102
Sample type
Routine
Lab sample
150206-008RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 5, 2015 13:20, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2015 – Mar 31, 2015
Collected
Dec 10, 2014 12:44
Sampling point
TF102 Treatment Facility TF102
Sample type
Routine
Lab sample
141211-003RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 10, 2014 12:44, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Oct 1, 2014 – Dec 31, 2014
Collected
Dec 10, 2014 12:24
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
141211-002RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 10, 2014 12:24, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Oct 1, 2014 – Dec 31, 2014
Collected
Dec 9, 2014 14:00
Sampling point
TF102 Treatment Facility TF102
Sample type
Routine
Lab sample
201412150012GA
Laboratory
Radiation Safety Engineering
1 pci/l , sample collected Dec 9, 2014 14:00, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Oct 1, 2014 – Dec 31, 2014

Routine (10).