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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

MS0360016 , Westover Water Association, Inc

20 of the 62 analytes this system has been tested for have been detected at least once, across 230 samples on record.

The other 42 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 230 samples on record, detections range from June 27, 2002 to February 24, 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 Westover Water Association, Inc, 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 61 of 61 results Aug 2, 2007 Jun 17, 2024
Nitrate-Nitrite 1038 Inorganic Chemical 42 of 44 results May 17, 2004 Feb 24, 2026
Nitrate 1040 Inorganic Chemical 42 of 44 results May 17, 2004 Feb 24, 2026
Lead 1030 Inorganic Chemical 33 of 61 results Aug 2, 2007 Jun 17, 2024
Barium 1010 Inorganic Chemical 20 of 20 results Sep 29, 2003 Feb 26, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 15, 2011 Jul 13, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 10 of 10 results Dec 15, 2011 Jul 13, 2012
Radium-226 4020 Radionuclide 10 of 10 results Dec 15, 2011 Jul 13, 2012
Sodium 1052 Inorganic Chemical 8 of 8 results May 24, 2021 Feb 5, 2025
Xylenes, Total 2955 Organic Chemical 6 of 26 results Jun 27, 2002 Aug 18, 2003
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 20 results Sep 21, 2009 May 8, 2024
Ethylbenzene 2992 Organic Chemical 5 of 26 results Aug 27, 2002 Aug 18, 2003
Calcium 1016 Inorganic Chemical 4 of 4 results May 24, 2021 May 24, 2021
Chloride 1017 Inorganic Chemical 4 of 4 results May 24, 2021 May 24, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 4 of 4 results May 24, 2021 May 24, 2021
TTHM 2950 Organic Chemical 3 of 22 results Aug 15, 2007 Aug 15, 2023
Chromium 1020 Inorganic Chemical 2 of 20 results Apr 15, 2015 Apr 15, 2015
Fluoride 1025 Inorganic Chemical 2 of 24 results Apr 15, 2015 Apr 15, 2015
Monobromoacetic Acid 2453 Organic Chemical 1 of 15 results Sep 17, 2020 Sep 17, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Aug 22, 2018 Aug 22, 2018

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 41–50 of 230 samples, newest first — collected May 24, 2021 to May 12, 2022. The summary above covers all 230.

21 results from the 10 samples listed here: 11 detected, 10 not detected. Across the whole record it is 273 of 1,315. 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 Westover Water Association, Inc, every result from 41 to 50 of 230 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
May 12, 2022 13:50
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-220513-002
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 12, 2022 13:50, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 3, 2022 13:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-220504-013
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 3, 2022 13:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
May 3, 2022 13:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220504-013
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 3, 2022 13:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 8, 2022 14:30
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NA-220209-046
Laboratory
MSDH Lab
3.79 mg/l , sample collected Feb 8, 2022 14:30, sampling point TF081 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 8, 2022 14:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-220209-045
Laboratory
MSDH Lab
10.9 mg/l , sample collected Feb 8, 2022 14:30, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 8, 2022 14:30
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-220209-058
Laboratory
MSDH Lab
0.279 mg/l , sample collected Feb 8, 2022 14:30, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
0.279 mg/l , sample collected Feb 8, 2022 14:30, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 8, 2022 14:30, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Feb 8, 2022 14:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-220209-057
Laboratory
MSDH Lab
0.145 mg/l , sample collected Feb 8, 2022 14:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
0.145 mg/l , sample collected Feb 8, 2022 14:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 8, 2022 14:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Sep 15, 2021 12:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-210916-005
Laboratory
MSDH Lab
3.7 ug/l , sample collected Sep 15, 2021 12:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2021 – Dec 31, 2021
Collected
Sep 15, 2021 11:15
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-210916-005
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 15, 2021 11:15, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Collected
May 24, 2021 14:17
Sampling point
WL003 Well W003
Sample type
Routine
Lab sample
7PC-210526-003
Laboratory
MSDH Lab
1.11 mg/l , sample collected May 24, 2021 14:17, sampling point WL003 Calcium 1016 EPA method 200.7 Not recorded
1.59 mg/l , sample collected May 24, 2021 14:17, sampling point WL003 Chloride 1017 EPA method 300.0 Not recorded
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected May 24, 2021 14:17, sampling point WL003 Fluoride 1025 EPA method 300.0 Not recorded
2.97 mg/l , sample collected May 24, 2021 14:17, sampling point WL003 Sodium 1052 EPA method 200.7 Not recorded
Not detected below 0.5 mg/l Minimum Reporting Level , sample collected May 24, 2021 14:17, sampling point WL003 Sulfate 1055 EPA method 300.0 Not recorded
25.4 umho/cm , sample collected May 24, 2021 14:17, sampling point WL003 Conductivity @ 25 C Umhos/CM 1064 EPA method 2510B Not recorded
Not detected below 10 cu Minimum Reporting Level , sample collected May 24, 2021 14:17, sampling point WL003 Color 1905 EPA method 2120B Not recorded
Not detected below 10 mg/l Minimum Reporting Level , sample collected May 24, 2021 14:17, sampling point WL003 Alkalinity, Total 1927 EPA method 2320B Not recorded

Routine (10).