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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.

Sodium results

MS0450010 , City of Madison

17 samples have been analysed for Sodium at City of Madison.

This is one analyte out of the system’s whole record. For what has ever been detected here, and when, see all chemical and radiological results; for everything the system is tested for, see the analyte list.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

No date range is applied: this list draws on every sample on record. Show the last two years only.

Every Sodium result

The table below lists 1–10 of 17 samples, newest first — collected March 2, 2021 to February 24, 2025.

10 Sodium results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 14 results for other analytes, which are on the full results page.

Sodium results for City of Madison, from 1 to 10 of 17 samples shown analysed for it, newest first. This view leaves out other analytes on the same samples. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Feb 24, 2025 08:35
Sampling point
TF105 Treatment Facility TF105
Sample type
Routine
Lab sample
NA-250225-033
Laboratory
MSDH Lab
87.8 mg/l , sample collected Feb 24, 2025 08:35, sampling point TF105 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 10:00
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NA-250225-032
Laboratory
MSDH Lab
92.9 mg/l , sample collected Feb 24, 2025 10:00, sampling point TF104 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 07:55
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NA-250225-031
Laboratory
MSDH Lab
100 mg/l , sample collected Feb 24, 2025 07:55, sampling point TF103 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 09:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-250225-030
Laboratory
MSDH Lab
132 mg/l , sample collected Feb 24, 2025 09:15, sampling point TF080 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 8, 2022 08:45
Sampling point
TF105 Treatment Facility TF105
Sample type
Routine
Lab sample
NA-220308-047
Laboratory
MSDH Lab
79.8 mg/l , sample collected Mar 8, 2022 08:45, sampling point TF105 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 8, 2022 08:07
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NA-220308-046
Laboratory
MSDH Lab
89.8 mg/l , sample collected Mar 8, 2022 08:07, sampling point TF104 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 8, 2022 09:16
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NA-220308-045
Laboratory
MSDH Lab
92 mg/l , sample collected Mar 8, 2022 09:16, sampling point TF103 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 8, 2022 08:35
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-220308-044
Laboratory
MSDH Lab
109 mg/l , sample collected Mar 8, 2022 08:35, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 2, 2021 08:30
Sampling point
WL004 Well W004
Sample type
Routine
Lab sample
7PC-210309-003
Laboratory
MSDH Lab
91.6 mg/l , sample collected Mar 2, 2021 08:30, sampling point WL004 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 2, 2021 09:30
Sampling point
WL003 Well W003
Sample type
Routine
Lab sample
7PC-210309-002
Laboratory
MSDH Lab
95 mg/l , sample collected Mar 2, 2021 09:30, sampling point WL003 Sodium 1052 EPA method 200.7 Not recorded

Routine (10).