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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

MS0410044 , North Lee W/A-SWS #1

9 of the 13 analytes this system has been tested for have been detected at least once, across 197 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 197 samples on record, detections range from October 15, 2019 to September 17, 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-SWS #1, 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 148 of 149 results Oct 15, 2019 Sep 16, 2025
Lead 1030 Inorganic Chemical 26 of 149 results Oct 15, 2019 Aug 20, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 23 of 24 results Oct 11, 2021 Sep 17, 2025
TTHM 2950 Organic Chemical 23 of 24 results Oct 11, 2021 Sep 17, 2025
Dichloroacetic Acid 2451 Organic Chemical 1 of 1 result Sep 17, 2025 Sep 17, 2025
Trichloroacetic Acid 2452 Organic Chemical 1 of 1 result Sep 17, 2025 Sep 17, 2025
Chloroform 2941 Organic Chemical 1 of 1 result Sep 17, 2025 Sep 17, 2025
Bromodichloromethane 2943 Organic Chemical 1 of 1 result Sep 17, 2025 Sep 17, 2025
Dibromochloromethane 2944 Organic Chemical 1 of 1 result Sep 17, 2025 Sep 17, 2025

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 91–100 of 197 samples, newest first — collected April 19, 2022 to April 20, 2022. The summary above covers all 197.

20 results from the 10 samples listed here: 11 detected, 9 not detected. Across the whole record it is 225 of 355. 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 North Lee W/A-SWS #1, every result from 91 to 100 of 197 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
Apr 20, 2022 05:00
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-220421-070
Laboratory
MSDH Lab
0.019 mg/l , sample collected Apr 20, 2022 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 20, 2022 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Collected
Apr 20, 2022 06:30
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-220421-069
Laboratory
MSDH Lab
0.0121 mg/l , sample collected Apr 20, 2022 06:30, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 20, 2022 06:30, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Collected
Apr 20, 2022 08:00
Sampling point
LC0015 Location withheld
Sample type
Routine
Lab sample
PB-220421-068
Laboratory
MSDH Lab
0.0392 mg/l , sample collected Apr 20, 2022 08:00, sampling point LC0015 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
0.5 ug/l , sample collected Apr 20, 2022 08:00, sampling point LC0015 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Collected
Apr 20, 2022 07:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-220421-067
Laboratory
MSDH Lab
0.0088 mg/l , sample collected Apr 20, 2022 07:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 20, 2022 07:00, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Collected
Apr 20, 2022 06:00
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-220421-061
Laboratory
MSDH Lab
0.0066 mg/l , sample collected Apr 20, 2022 06:00, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 20, 2022 06:00, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Collected
Apr 20, 2022 06:00
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-220421-079
Laboratory
MSDH Lab
0.0154 mg/l , sample collected Apr 20, 2022 06:00, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 20, 2022 06:00, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Collected
Apr 20, 2022 06:00
Sampling point
LC0018 Location withheld
Sample type
Routine
Lab sample
PB-220421-080
Laboratory
MSDH Lab
0.0026 mg/l , sample collected Apr 20, 2022 06:00, sampling point LC0018 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 20, 2022 06:00, sampling point LC0018 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Collected
Apr 19, 2022 07:10
Sampling point
LC0019 Location withheld
Sample type
Routine
Lab sample
PB-220421-064
Laboratory
MSDH Lab
0.0239 mg/l , sample collected Apr 19, 2022 07:10, sampling point LC0019 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2022 07:10, sampling point LC0019 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Collected
Apr 19, 2022 05:36
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-220421-063
Laboratory
MSDH Lab
0.0235 mg/l , sample collected Apr 19, 2022 05:36, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2022 05:36, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Collected
Apr 19, 2022 05:30
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-220421-062
Laboratory
MSDH Lab
0.0514 mg/l , sample collected Apr 19, 2022 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2022 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Jun 30, 2022

Routine (10).