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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

MS0040001 , Conehoma Water Assn #1

20 of the 57 analytes this system has been tested for have been detected at least once, across 330 samples on record.

The other 37 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 330 samples on record, detections range from October 12, 1993 to July 27, 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 Conehoma Water Assn #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 135 of 149 results Oct 12, 1993 Jun 4, 2025
Lead 1030 Inorganic Chemical 73 of 149 results Oct 12, 1993 Jun 4, 2025
TTHM 2950 Organic Chemical 23 of 24 results May 5, 2004 Jul 27, 2026
Barium 1010 Inorganic Chemical 22 of 22 results Jan 15, 2002 Jan 14, 2025
Chloroform 2941 Organic Chemical 18 of 19 results Jun 27, 2007 Jul 27, 2026
Bromodichloromethane 2943 Organic Chemical 16 of 19 results Jun 27, 2007 Jul 27, 2026
Dibromochloromethane 2944 Organic Chemical 15 of 19 results Jun 27, 2007 Jul 27, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 13 of 22 results Jun 27, 2007 Aug 6, 2024
Dichloroacetic Acid 2451 Organic Chemical 12 of 17 results Jul 15, 2008 Oct 28, 2024
Chromium 1020 Inorganic Chemical 11 of 22 results Dec 13, 2005 Jan 14, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 8, 2011 Jul 13, 2012
Trichloroacetic Acid 2452 Organic Chemical 7 of 17 results Jul 15, 2008 May 9, 2024
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 17, 2019 Oct 15, 2024
Fluoride 1025 Inorganic Chemical 6 of 22 results Dec 13, 2005 May 5, 2014
Nickel 1036 Inorganic Chemical 6 of 22 results Jan 15, 2002 May 5, 2014
Sulfate 1055 Inorganic Chemical 4 of 4 results Jan 15, 2002 Jan 14, 2004
Xylenes, Total 2955 Organic Chemical 3 of 34 results Sep 21, 2011 Jul 9, 2013
Nitrite 1041 Inorganic Chemical 2 of 44 results Jun 5, 2006 Jan 17, 2023
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 44 results May 5, 2004 Jun 5, 2006
Nitrate 1040 Inorganic Chemical 2 of 44 results May 5, 2004 May 5, 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 71–80 of 330 samples, newest first — collected June 18, 2019 to March 30, 2020. The summary above covers all 330.

29 results from the 10 samples listed here: 10 detected, 19 not detected. Across the whole record it is 386 of 1,676. 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 Conehoma Water Assn #1, every result from 71 to 80 of 330 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
Mar 30, 2020 13:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
200331-014IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 30, 2020 13:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.039 mg/l , sample collected Mar 30, 2020 13:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 30, 2020 13:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0017 mg/l , sample collected Mar 30, 2020 13:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 30, 2020 13:00, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 30, 2020 13:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 30, 2020 13:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 30, 2020 13:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 30, 2020 13:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 30, 2020 13:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 30, 2020 13:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jan 14, 2020 14:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
200115-051NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 14, 2020 14:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 14, 2020 14:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 14, 2020 14:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Jan 14, 2020 14:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
200115-046NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 14, 2020 14:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 14, 2020 14:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 14, 2020 14:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Sep 17, 2019 11:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
680-174251-14
Laboratory
Test America-Savannah
52000 ug/l , sample collected Sep 17, 2019 11:00, sampling point TF102 Sodium 1052 EPA method 200.7 Not recorded
Collected
Sep 17, 2019 10:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
680-174251-13
Laboratory
Test America-Savannah
60000 ug/l , sample collected Sep 17, 2019 10:30, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
Jun 18, 2019 03:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190619-182PB
Laboratory
MSDH Lab
0.4947 mg/l , sample collected Jun 18, 2019 03:53, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 18, 2019 03:53, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 18, 2019 08:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190619-181PB
Laboratory
MSDH Lab
0.18 mg/l , sample collected Jun 18, 2019 08:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0113 mg/l , sample collected Jun 18, 2019 08:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 18, 2019 17:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190619-180PB
Laboratory
MSDH Lab
0.1663 mg/l , sample collected Jun 18, 2019 17:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 18, 2019 17:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 18, 2019
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190619-179PB
Laboratory
MSDH Lab
0.1977 mg/l , sample collected Jun 18, 2019, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 18, 2019, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 18, 2019 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190619-178PB
Laboratory
MSDH Lab
0.3922 mg/l , sample collected Jun 18, 2019 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 18, 2019 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019

Routine (10).