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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 251–260 of 330 samples, newest first — collected August 29, 2001 to August 29, 2001. The summary above covers all 330.

20 results from the 10 samples listed here: 14 detected, 6 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 251 to 260 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
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-021PB
Laboratory
MSDH Lab
0.377 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-017PB
Laboratory
MSDH Lab
0.287 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-016PB
Laboratory
MSDH Lab
0.28 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-015PB
Laboratory
MSDH Lab
0.085 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-014PB
Laboratory
MSDH Lab
0.311 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-013PB
Laboratory
MSDH Lab
0.456 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-012PB
Laboratory
MSDH Lab
0.012 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-011PB
Laboratory
MSDH Lab
0.361 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-010PB
Laboratory
MSDH Lab
0.304 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-009PB
Laboratory
MSDH Lab
0.059 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded

Routine (10).