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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

MS0040029 , Conehoma Water Assn #2

21 of the 57 analytes this system has been tested for have been detected at least once, across 245 samples on record.

The other 36 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 245 samples on record, detections range from November 9, 1993 to December 2, 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 Conehoma Water Assn #2, 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 117 of 152 results Nov 9, 1993 Jun 4, 2025
Lead 1030 Inorganic Chemical 53 of 152 results Nov 9, 1993 Jun 4, 2025
TTHM 2950 Organic Chemical 18 of 19 results May 5, 2004 Dec 2, 2025
Dibromochloromethane 2944 Organic Chemical 13 of 15 results Jul 15, 2008 Dec 2, 2025
Chloroform 2941 Organic Chemical 12 of 15 results Jul 15, 2008 Dec 2, 2025
Bromodichloromethane 2943 Organic Chemical 12 of 15 results Jul 15, 2008 Dec 2, 2025
Barium 1010 Inorganic Chemical 11 of 11 results Jan 29, 2002 Jan 14, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 19 results Jun 27, 2007 Feb 26, 2024
Chromium 1020 Inorganic Chemical 6 of 11 results Jan 29, 2002 Jan 14, 2025
Dichloroacetic Acid 2451 Organic Chemical 6 of 14 results Jul 15, 2008 May 9, 2024
Nickel 1036 Inorganic Chemical 5 of 11 results Feb 14, 2005 Sep 19, 2018
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 8, 2011 Jul 13, 2012
Fluoride 1025 Inorganic Chemical 4 of 11 results Feb 14, 2005 Jan 14, 2025
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 17, 2019 Oct 15, 2024
Trichloroacetic Acid 2452 Organic Chemical 3 of 14 results Jul 15, 2008 Dec 7, 2023
Monochloroacetic Acid 2450 Organic Chemical 2 of 14 results Jul 15, 2008 Mar 19, 2019
Sulfate 1055 Inorganic Chemical 2 of 2 results Jan 29, 2002 Jan 14, 2004
Bromoform 2942 Organic Chemical 1 of 15 results Aug 6, 2024 Aug 6, 2024
Monobromoacetic Acid 2453 Organic Chemical 1 of 14 results Jul 15, 2008 Jul 15, 2008
Cadmium 1015 Inorganic Chemical 1 of 11 results Feb 14, 2005 Feb 14, 2005
Selenium 1045 Inorganic Chemical 1 of 11 results Feb 14, 2005 Feb 14, 2005

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 141–150 of 245 samples, newest first — collected July 20, 2005 to July 17, 2007. The summary above covers all 245.

33 results from the 10 samples listed here: 12 detected, 21 not detected. Across the whole record it is 285 of 847. 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 #2, every result from 141 to 150 of 245 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
Jul 17, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070718-147PB
Laboratory
MSDH Lab
0.1188 mg/l , sample collected Jul 17, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0022 mg/l , sample collected Jul 17, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 17, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070718-145PB
Laboratory
MSDH Lab
0.3114 mg/l , sample collected Jul 17, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 17, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 17, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070718-182PB
Laboratory
MSDH Lab
0.1628 mg/l , sample collected Jul 17, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0006 mg/l , sample collected Jul 17, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 17, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070718-176PB
Laboratory
MSDH Lab
0.4494 mg/l , sample collected Jul 17, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0013 mg/l , sample collected Jul 17, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jun 27, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070628-013HA
Laboratory
MSDH Lab
0.0014 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Jun 27, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2005 – Dec 31, 2007
Collected
Jun 27, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070628-012TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 27, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 27, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 27, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 27, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Jun 27, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007
Collected
Jun 5, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060606-021NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 5, 2006, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jun 5, 2006, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 5, 2006, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Collected
Jan 18, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060119-058IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.03837 mg/l , sample collected Jan 18, 2006, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.124528 mg/l , sample collected Jan 18, 2006, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000534 mg/l , sample collected Jan 18, 2006, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Uranium-238 4009 Not recorded
Collected
Jan 18, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060119-059CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jan 18, 2006, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
Jul 20, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050721-007NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 20, 2005, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jul 20, 2005, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 20, 2005, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005

Routine (10).