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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

MS0390015 , Mt Zion W/A

9 of the 13 analytes this system has been tested for have been detected at least once, across 87 samples on record.

The other 4 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 87 samples on record, detections range from June 30, 2004 to August 12, 2024. 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 Mt Zion W/A, 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 62 of 62 results Sep 14, 2004 Aug 12, 2024
Lead 1030 Inorganic Chemical 37 of 62 results Sep 14, 2004 Aug 12, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 12 of 13 results Nov 14, 2005 Apr 8, 2024
TTHM 2950 Organic Chemical 12 of 12 results Jun 30, 2004 Apr 8, 2024
Chloroform 2941 Organic Chemical 9 of 9 results Oct 26, 2006 Jul 6, 2015
Bromodichloromethane 2943 Organic Chemical 9 of 9 results Oct 26, 2006 Jul 6, 2015
Dichloroacetic Acid 2451 Organic Chemical 8 of 8 results Sep 26, 2007 Aug 28, 2018
Trichloroacetic Acid 2452 Organic Chemical 8 of 8 results Sep 26, 2007 Aug 28, 2018
Monochloroacetic Acid 2450 Organic Chemical 1 of 8 results Jul 6, 2015 Jul 6, 2015

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 87 samples, newest first — collected August 2, 2021 to August 12, 2024. The summary above covers all 87.

18 results from the 10 samples listed here: 12 detected, 6 not detected. Across the whole record it is 158 of 225. 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 7 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 Mt Zion W/A, every result from 1 to 10 of 87 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
Aug 12, 2024 07:30
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-240813-013
Laboratory
MSDH Lab
0.0103 mg/l , sample collected Aug 12, 2024 07:30, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 12, 2024 07:30, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 12, 2024 08:00
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-240813-014
Laboratory
MSDH Lab
0.0229 mg/l , sample collected Aug 12, 2024 08:00, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
0.6 ug/l , sample collected Aug 12, 2024 08:00, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 12, 2024 08:32
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-240813-011
Laboratory
MSDH Lab
0.0457 mg/l , sample collected Aug 12, 2024 08:32, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 12, 2024 08:32, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 12, 2024 07:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-240813-012
Laboratory
MSDH Lab
0.125 mg/l , sample collected Aug 12, 2024 07:00, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
0.6 ug/l , sample collected Aug 12, 2024 07:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 12, 2024 07:08
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-240813-015
Laboratory
MSDH Lab
0.0407 mg/l , sample collected Aug 12, 2024 07:08, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 12, 2024 07:08, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Apr 8, 2024 07:30
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-240409-014
Laboratory
MSDH Lab
18.2 ug/l , sample collected Apr 8, 2024 07:30, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2025
Collected
Apr 8, 2024 07:30
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-240409-014
Laboratory
MSDH Lab
26.9 ug/l , sample collected Apr 8, 2024 07:30, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Collected
Aug 2, 2021 12:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-210803-022
Laboratory
MSDH Lab
0.0029 mg/l , sample collected Aug 2, 2021 12:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 2, 2021 12:00, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 2, 2021 09:07
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-210803-021
Laboratory
MSDH Lab
0.0069 mg/l , sample collected Aug 2, 2021 09:07, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 2, 2021 09:07, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 2, 2021 09:16
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-210803-020
Laboratory
MSDH Lab
0.0197 mg/l , sample collected Aug 2, 2021 09:16, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 2, 2021 09:16, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021

Routine (10).