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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 161–170 of 245 samples, newest first — collected August 29, 2001 to January 7, 2004. The summary above covers all 245.

47 results from the 10 samples listed here: 12 detected, 35 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 161 to 170 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
Jan 7, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040108-010VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Cis-1,2-Dichloroethylene 2380 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Xylenes, Total 2955 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Dichloromethane 2964 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 O-Dichlorobenzene 2968 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 P-Dichlorobenzene 2969 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Vinyl Chloride 2976 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 1,1-Dichloroethylene 2977 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Trans-1,2-Dichloroethylene 2979 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 1,2-Dichloroethane 2980 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 1,1,1-Trichloroethane 2981 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Carbon Tetrachloride 2982 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 1,2-Dichloropropane 2983 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Trichloroethylene 2984 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 1,1,2-Trichloroethane 2985 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Tetrachloroethylene 2987 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Chlorobenzene 2989 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Benzene 2990 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Toluene 2991 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Ethylbenzene 2992 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 7, 2004, sampling point TF101 Styrene 2996 Jan 1, 2004 – Mar 31, 2004
Collected
Jan 29, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020130-021IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Arsenic 1005 EPA method 200.8 Not recorded
0.041 mg/l , sample collected Jan 29, 2002, sampling point TF101 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Cadmium 1015 EPA method 200.8 Not recorded
0.002 mg/l , sample collected Jan 29, 2002, sampling point TF101 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Selenium 1045 EPA method 200.8 Not recorded
3.32 mg/l , sample collected Jan 29, 2002, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Jan 15, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020116-028CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jan 15, 2002, sampling point TF101 Cyanide 1024 EPA method 335.4 Jan 1, 2002 – Dec 31, 2004
Collected
Jan 8, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020109-004CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jan 8, 2002, sampling point TF101 Cyanide 1024 EPA method 335.4 Jan 1, 2002 – Dec 31, 2004
Collected
Aug 29, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010830-078PB
Laboratory
MSDH Lab
0.019 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
010830-008PB
Laboratory
MSDH Lab
0.34 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
010830-007PB
Laboratory
MSDH Lab
0.192 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
010830-006PB
Laboratory
MSDH Lab
0.017 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
010830-005PB
Laboratory
MSDH Lab
0.045 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
010830-004PB
Laboratory
MSDH Lab
0.234 mg/l , sample collected Aug 29, 2001, sampling point DS000 Copper, Free 1022 Not recorded
0.007 mg/l , sample collected Aug 29, 2001, sampling point DS000 Lead 1030 Not recorded

Routine (10).