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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

MS0260001 , Acona Water Association #1

22 of the 57 analytes this system has been tested for have been detected at least once, across 302 samples on record.

The other 35 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 302 samples on record, detections range from November 29, 1993 to August 13, 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 Acona Water Association #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 79 of 97 results Nov 29, 1993 Jul 17, 2023
Lead 1030 Inorganic Chemical 49 of 97 results Nov 29, 1993 Jul 17, 2023
Barium 1010 Inorganic Chemical 29 of 29 results Oct 8, 2003 Feb 11, 2025
TTHM 2950 Organic Chemical 22 of 23 results Jun 7, 2004 Aug 13, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 19 of 23 results Jul 30, 2007 Aug 13, 2025
Chloroform 2941 Organic Chemical 15 of 18 results Sep 22, 2014 Aug 13, 2025
Dichloroacetic Acid 2451 Organic Chemical 14 of 17 results Sep 24, 2008 Aug 13, 2025
Bromodichloromethane 2943 Organic Chemical 14 of 18 results Sep 22, 2014 Aug 13, 2025
Trichloroacetic Acid 2452 Organic Chemical 13 of 17 results Sep 22, 2014 Aug 13, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 8, 2011 Jul 10, 2012
Dibromochloromethane 2944 Organic Chemical 9 of 18 results Feb 28, 2024 Aug 13, 2025
Sodium 1052 Inorganic Chemical 7 of 7 results Sep 17, 2019 Nov 25, 2024
Chromium 1020 Inorganic Chemical 7 of 29 results Feb 9, 2004 Jan 22, 2019
Sulfate 1055 Inorganic Chemical 4 of 4 results Oct 8, 2003 Feb 23, 2004
Fluoride 1025 Inorganic Chemical 3 of 29 results Mar 14, 2005 Feb 7, 2024
Xylenes, Total 2955 Organic Chemical 3 of 32 results Feb 25, 2019 Aug 12, 2019
Nickel 1036 Inorganic Chemical 3 of 29 results Feb 13, 2006 Apr 14, 2008
Monochloroacetic Acid 2450 Organic Chemical 2 of 17 results Aug 1, 2019 Aug 27, 2020
Monobromoacetic Acid 2453 Organic Chemical 2 of 17 results Sep 22, 2014 Aug 1, 2019
Cyanide 1024 Inorganic Chemical 2 of 23 results Mar 14, 2005 Mar 21, 2012
Nitrite 1041 Inorganic Chemical 2 of 56 results Apr 23, 2007 Apr 23, 2007
Selenium 1045 Inorganic Chemical 2 of 29 results Mar 14, 2005 Mar 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 261–270 of 302 samples, newest first — collected June 26, 1996 to October 8, 2003. The summary above covers all 302.

57 results from the 10 samples listed here: 12 detected, 45 not detected. Across the whole record it is 310 of 1,644. 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 Acona Water Association #1, every result from 261 to 270 of 302 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
Oct 8, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
031009-054CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Oct 8, 2003
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
031009-053CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Oct 8, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
031009-005IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Arsenic 1005 EPA method 200.8 Not recorded
0.003 mg/l , sample collected Oct 8, 2003, sampling point TF102 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Selenium 1045 EPA method 200.8 Not recorded
10.5 mg/l , sample collected Oct 8, 2003, sampling point TF102 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Oct 8, 2003
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
031009-004IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Arsenic 1005 EPA method 200.8 Not recorded
0.005 mg/l , sample collected Oct 8, 2003, sampling point TF101 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Selenium 1045 EPA method 200.8 Not recorded
12.7 mg/l , sample collected Oct 8, 2003, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 8, 2003, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Mar 28, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020329-002VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 1,2,4-Trichlorobenzene 2378 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Cis-1,2-Dichloroethylene 2380 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Xylenes, Total 2955 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Dichloromethane 2964 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 O-Dichlorobenzene 2968 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 P-Dichlorobenzene 2969 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Vinyl Chloride 2976 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 1,1-Dichloroethylene 2977 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Trans-1,2-Dichloroethylene 2979 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 1,2-Dichloroethane 2980 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 1,1,1-Trichloroethane 2981 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Carbon Tetrachloride 2982 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 1,2-Dichloropropane 2983 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Trichloroethylene 2984 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 1,1,2-Trichloroethane 2985 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Tetrachloroethylene 2987 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Chlorobenzene 2989 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Benzene 2990 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Toluene 2991 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Ethylbenzene 2992 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 28, 2002, sampling point TF101 Styrene 2996 Not recorded
Collected
Aug 22, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000824-084L
Laboratory
MSDH Lab
0.451 mg/l , sample collected Aug 22, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.003 mg/l , sample collected Aug 22, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 22, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000824-083L
Laboratory
MSDH Lab
0.324 mg/l , sample collected Aug 22, 2000, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 22, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 22, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000824-082L
Laboratory
MSDH Lab
0.007 mg/l , sample collected Aug 22, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Aug 22, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 22, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000824-081L
Laboratory
MSDH Lab
0.027 mg/l , sample collected Aug 22, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Aug 22, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 26, 1996
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
960627-130L
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Method Detection Limit , sample collected Jun 26, 1996, sampling point DS000 Copper, Free 1022 Not recorded
0.004 mg/l , sample collected Jun 26, 1996, sampling point DS000 Lead 1030 Not recorded

Routine (10).