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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 71–80 of 197 samples, newest first — collected October 11, 2022 to October 12, 2022. The summary above covers all 197.

20 results from the 10 samples listed here: 12 detected, 8 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.

Chemical and radiological sample results for North Lee W/A-SWS #1, every result from 71 to 80 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 12, 2022 08:04
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-053
Laboratory
MSDH Lab
0.0559 mg/l , sample collected Oct 12, 2022 08:04, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 12, 2022 08:04, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Collected
Oct 12, 2022 05:30
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-056
Laboratory
MSDH Lab
0.002 mg/l , sample collected Oct 12, 2022 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 12, 2022 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Collected
Oct 12, 2022 05:00
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-057
Laboratory
MSDH Lab
0.0047 mg/l , sample collected Oct 12, 2022 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 12, 2022 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Collected
Oct 11, 2022 08:30
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-021
Laboratory
MSDH Lab
0.0806 mg/l , sample collected Oct 11, 2022 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
0.6 ug/l , sample collected Oct 11, 2022 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Collected
Oct 11, 2022 07:00
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-022
Laboratory
MSDH Lab
0.0007 mg/l , sample collected Oct 11, 2022 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 11, 2022 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Collected
Oct 11, 2022 07:00
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-023
Laboratory
MSDH Lab
1.74 mg/l , sample collected Oct 11, 2022 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 11, 2022 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Collected
Oct 11, 2022 05:23
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-024
Laboratory
MSDH Lab
0.0198 mg/l , sample collected Oct 11, 2022 05:23, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 11, 2022 05:23, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Collected
Oct 11, 2022 05:30
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-025
Laboratory
MSDH Lab
0.0361 mg/l , sample collected Oct 11, 2022 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 11, 2022 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Collected
Oct 11, 2022 07:00
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-026
Laboratory
MSDH Lab
0.0013 mg/l , sample collected Oct 11, 2022 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
2.7 ug/l , sample collected Oct 11, 2022 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Collected
Oct 11, 2022 07:45
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-221013-028
Laboratory
MSDH Lab
0.0218 mg/l , sample collected Oct 11, 2022 07:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 11, 2022 07:45, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2022 – Dec 31, 2022

Routine (10).