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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

MS0680004 , East Charleston Water Assn

6 of the 13 analytes this system has been tested for have been detected at least once, across 84 samples on record.

The other 7 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 84 samples on record, detections range from June 18, 2007 to September 8, 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 East Charleston Water Assn, 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 68 of 68 results Jul 12, 2007 Sep 8, 2025
Lead 1030 Inorganic Chemical 38 of 68 results Jul 12, 2007 Sep 8, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 8 results Jun 18, 2007 Feb 27, 2024
TTHM 2950 Organic Chemical 5 of 8 results Jun 18, 2007 Feb 27, 2024
Dichloroacetic Acid 2451 Organic Chemical 4 of 5 results Jul 7, 2008 Jul 21, 2014
Chloroform 2941 Organic Chemical 3 of 6 results Jul 7, 2008 Jun 27, 2011

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 11–20 of 84 samples, newest first — collected September 23, 2020 to February 27, 2024. The summary above covers all 84.

18 results from the 10 samples listed here: 15 detected, 3 not detected. Across the whole record it is 123 of 201. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

Lead is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

We withheld the location of 5 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 The location on record identifies a private home, and we do not publish those.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 East Charleston Water Assn, every result from 11 to 20 of 84 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
Feb 27, 2024 15:40
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
TH-240228-005
Laboratory
MSDH Lab
15 ug/l , sample collected Feb 27, 2024 15:40, sampling point SMD TTHM 2950 EPA method 524.2 Jan 1, 2022 – Dec 31, 2024
Collected
Feb 27, 2024 15:42
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
HA-240228-006
Laboratory
MSDH Lab
8.29 ug/l , sample collected Feb 27, 2024 15:42, sampling point SMD Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2022 – Dec 31, 2024
Collected
Apr 8, 2022 13:15
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-220414-003
Laboratory
MSDH Lab
0.152 mg/l , sample collected Apr 8, 2022 13:15, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
1.9 ug/l , sample collected Apr 8, 2022 13:15, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Apr 8, 2022 13:21
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-220414-004
Laboratory
MSDH Lab
0.288 mg/l , sample collected Apr 8, 2022 13:21, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
0.5 ug/l , sample collected Apr 8, 2022 13:21, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Apr 8, 2022 08:30
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-220414-002
Laboratory
MSDH Lab
0.049 mg/l , sample collected Apr 8, 2022 08:30, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
0.9 ug/l , sample collected Apr 8, 2022 08:30, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Apr 8, 2022 04:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-220414-005
Laboratory
MSDH Lab
0.0319 mg/l , sample collected Apr 8, 2022 04:00, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 8, 2022 04:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Apr 8, 2022 06:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-220414-001
Laboratory
MSDH Lab
0.0204 mg/l , sample collected Apr 8, 2022 06:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
0.6 ug/l , sample collected Apr 8, 2022 06:00, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Sep 24, 2020
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-015PB
Laboratory
MSDH Lab
0.0362 mg/l , sample collected Sep 24, 2020, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
0.001 mg/l , sample collected Sep 24, 2020, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Collected
Sep 24, 2020 05:57
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-006PB
Laboratory
MSDH Lab
0.0243 mg/l , sample collected Sep 24, 2020 05:57, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 24, 2020 05:57, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Collected
Sep 23, 2020 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-014PB
Laboratory
MSDH Lab
0.0199 mg/l , sample collected Sep 23, 2020 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 23, 2020 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020

Routine (10).