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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 191–197 of 197 samples, newest first — collected October 15, 2019 to October 15, 2019. The summary above covers all 197.

14 results from the 7 samples listed here: 8 detected, 6 not detected. 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 North Lee W/A-SWS #1, every result from 191 to 197 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
Oct 15, 2019 16:30
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
191021-014PB
Laboratory
MSDH Lab
0.0034 mg/l , sample collected Oct 15, 2019 16:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 15, 2019 16:30, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Collected
Oct 15, 2019 16:00
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
191021-013PB
Laboratory
MSDH Lab
0.0069 mg/l , sample collected Oct 15, 2019 16:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 15, 2019 16:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Collected
Oct 15, 2019 07:03
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
191021-012PB
Laboratory
MSDH Lab
0.0834 mg/l , sample collected Oct 15, 2019 07:03, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 15, 2019 07:03, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Collected
Oct 15, 2019 06:00
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
191021-011PB
Laboratory
MSDH Lab
0.0069 mg/l , sample collected Oct 15, 2019 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 15, 2019 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Collected
Oct 15, 2019 12:15
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
191021-010PB
Laboratory
MSDH Lab
0.1032 mg/l , sample collected Oct 15, 2019 12:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 15, 2019 12:15, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Collected
Oct 15, 2019 08:00
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
191021-009PB
Laboratory
MSDH Lab
0.0836 mg/l , sample collected Oct 15, 2019 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 15, 2019 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
Collected
Oct 15, 2019 06:00
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
191021-006PB
Laboratory
MSDH Lab
0.0121 mg/l , sample collected Oct 15, 2019 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019
0.0006 mg/l , sample collected Oct 15, 2019 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2019 – Dec 31, 2019

Routine (7).