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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

MS0470105 , Marshall Co Water Assn

18 of the 61 analytes this system has been tested for have been detected at least once, across 449 samples on record.

The other 43 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 449 samples on record, detections range from October 8, 2003 to July 9, 2026. 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 Marshall Co 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 313 of 313 results Sep 23, 2004 Jul 30, 2024
Lead 1030 Inorganic Chemical 184 of 313 results Sep 23, 2004 Jul 30, 2024
Barium 1010 Inorganic Chemical 14 of 14 results Oct 8, 2003 Mar 11, 2025
Sodium 1052 Inorganic Chemical 8 of 8 results Sep 17, 2019 Feb 25, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 14, 2011 Jul 19, 2012
Calcium 1016 Inorganic Chemical 4 of 4 results Nov 19, 2021 Dec 1, 2021
Chloride 1017 Inorganic Chemical 4 of 4 results Nov 19, 2021 Dec 1, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 4 of 4 results Nov 19, 2021 Dec 1, 2021
Alkalinity, Total 1927 Water Quality 4 of 4 results Nov 19, 2021 Dec 1, 2021
Xylenes, Total 2955 Organic Chemical 3 of 15 results Aug 2, 2023 Jul 9, 2026
Nickel 1036 Inorganic Chemical 3 of 14 results Mar 10, 2004 Mar 11, 2025
Chromium 1020 Inorganic Chemical 2 of 14 results Mar 1, 2016 Jul 12, 2023
Sulfate 1055 Inorganic Chemical 2 of 6 results Nov 19, 2021 Nov 19, 2021
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 2 of 20 results Aug 28, 2007 Jun 17, 2010
TTHM 2950 Organic Chemical 2 of 21 results Aug 28, 2007 Jun 17, 2010
Color 1905 Water Quality 1 of 4 results Dec 1, 2021 Dec 1, 2021
Dichloromethane 2964 Organic Chemical 1 of 15 results Aug 26, 2004 Aug 26, 2004
Selenium 1045 Inorganic Chemical 1 of 14 results Mar 10, 2004 Mar 10, 2004

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 171–180 of 449 samples, newest first — collected September 19, 2012 to June 30, 2015. The summary above covers all 449.

28 results from the 10 samples listed here: 4 detected, 24 not detected. Across the whole record it is 557 of 1,447. 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

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

Chemical and radiological sample results for Marshall Co Water Assn, every result from 171 to 180 of 449 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
Jun 30, 2015
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150701-065PB
Laboratory
MSDH Lab
0.0247 mg/l , sample collected Jun 30, 2015, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.0016 mg/l , sample collected Jun 30, 2015, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jun 1, 2015 12:36
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
150602-032CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 1, 2015 12:36, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Apr 8, 2015 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
150409-063NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 8, 2015 12:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 8, 2015 12:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 8, 2015 12:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Apr 14, 2014 13:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
140415-016NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 14, 2014 13:10, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 14, 2014 13:10, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 14, 2014 13:10, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Aug 14, 2013 02:32
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130815-007TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 14, 2013 02:32, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 14, 2013 02:32, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 14, 2013 02:32, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 14, 2013 02:32, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Aug 14, 2013 02:32, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Aug 14, 2013 02:31
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130815-007HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 14, 2013 02:31, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 14, 2013 02:31, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 14, 2013 02:31, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 14, 2013 02:31, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 14, 2013 02:31, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Aug 14, 2013 02:31, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Dec 31, 2013
Collected
Feb 25, 2013
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
130226-041NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 25, 2013, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 25, 2013, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 25, 2013, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Sep 19, 2012 08:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
120921-002PB
Laboratory
MSDH Lab
0.0809 mg/l , sample collected Sep 19, 2012 08:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 19, 2012 08:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2012
Collected
Sep 19, 2012 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
120921-001PB
Laboratory
MSDH Lab
0.0014 mg/l , sample collected Sep 19, 2012 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 19, 2012 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2012
Collected
Sep 19, 2012 01:40
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120920-029CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Sep 19, 2012 01:40, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013

Routine (10).