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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

MS0770002 , Clara Water Association

35 of the 74 analytes this system has been tested for have been detected at least once, across 1,028 samples on record.

The other 39 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 1,028 samples on record, detections range from November 3, 2003 to June 4, 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 Clara Water Association, 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 799 of 801 results Jun 24, 2004 Jun 4, 2026
Lead 1030 Inorganic Chemical 507 of 801 results Jun 24, 2004 Jun 3, 2026
Barium 1010 Inorganic Chemical 32 of 32 results Nov 3, 2003 Apr 22, 2025
Fluoride 1025 Inorganic Chemical 19 of 36 results Nov 3, 2003 Apr 22, 2025
TTHM 2950 Organic Chemical 8 of 17 results Sep 17, 2007 Nov 18, 2024
Chromium 1020 Inorganic Chemical 7 of 32 results Nov 3, 2003 Apr 22, 2025
Sodium 1052 Inorganic Chemical 7 of 7 results Nov 6, 2009 Apr 3, 2023
Sulfate 1055 Inorganic Chemical 7 of 8 results Nov 3, 2003 Sep 1, 2021
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 16 results Aug 3, 2010 Nov 18, 2024
Chloroform 2941 Organic Chemical 6 of 12 results Sep 17, 2007 Nov 18, 2024
Nickel 1036 Inorganic Chemical 5 of 32 results Nov 3, 2003 Apr 22, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Dec 6, 2011 Jul 10, 2012
Calcium 1016 Inorganic Chemical 4 of 4 results Nov 6, 2009 Sep 1, 2021
Alkalinity, Total 1927 Water Quality 4 of 4 results Nov 6, 2009 Sep 1, 2021
Chloride 1017 Inorganic Chemical 3 of 4 results Sep 1, 2021 Sep 1, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 3 of 3 results Sep 1, 2021 Sep 1, 2021
Color 1905 Water Quality 3 of 4 results Nov 6, 2009 Sep 1, 2021
Dichloroacetic Acid 2451 Organic Chemical 2 of 11 results Aug 29, 2016 Nov 18, 2024
Carbon Tetrachloride 2982 Organic Chemical 2 of 40 results Oct 24, 2022 Oct 24, 2022
Trichloroacetic Acid 2452 Organic Chemical 1 of 11 results Nov 18, 2024 Nov 18, 2024
Bromodichloromethane 2943 Organic Chemical 1 of 12 results Nov 18, 2024 Nov 18, 2024
Dibromochloromethane 2944 Organic Chemical 1 of 12 results Nov 18, 2024 Nov 18, 2024
Cyanide 1024 Inorganic Chemical 1 of 38 results Aug 22, 2022 Aug 22, 2022
Monobromoacetic Acid 2453 Organic Chemical 1 of 11 results Oct 26, 2020 Oct 26, 2020
Iron 1028 Inorganic Chemical 1 of 1 result Nov 6, 2009 Nov 6, 2009
Magnesium 1031 Inorganic Chemical 1 of 1 result Nov 6, 2009 Nov 6, 2009
Manganese 1032 Inorganic Chemical 1 of 1 result Nov 6, 2009 Nov 6, 2009
Potassium 1042 Inorganic Chemical 1 of 1 result Nov 6, 2009 Nov 6, 2009
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Nov 6, 2009 Nov 6, 2009
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Nov 6, 2009 Nov 6, 2009
Carbon Dioxide 1901 Water Quality 1 of 1 result Nov 6, 2009 Nov 6, 2009
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Nov 6, 2009 Nov 6, 2009
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Nov 6, 2009 Nov 6, 2009
Calculated Sodium NACA Water Quality 1 of 1 result Nov 6, 2009 Nov 6, 2009
PH, Field Result PHFD Water Quality 1 of 1 result Nov 6, 2009 Nov 6, 2009

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 321–330 of 1,028 samples, newest first — collected September 14, 2021 to October 13, 2021. The summary above covers all 1,028.

19 results from the 10 samples listed here: 14 detected, 5 not detected. Across the whole record it is 1,445 of 3,258. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Clara Water Association, every result from 321 to 330 of 1,028 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 13, 2021 06:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-211014-070
Laboratory
MSDH Lab
1.23 mg/l , sample collected Oct 13, 2021 06:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jul 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 06:00, sampling point LC0009 Lead 1030 EPA method 200.8 Jul 1, 2021 – Dec 31, 2021
Collected
Oct 13, 2021 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-211014-071
Laboratory
MSDH Lab
0.304 mg/l , sample collected Oct 13, 2021 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2021 – Dec 31, 2021
Collected
Oct 13, 2021 05:00
Sampling point
LC0017 Location withheld
Sample type
Routine
Lab sample
PB-211014-073
Laboratory
MSDH Lab
1.61 mg/l , sample collected Oct 13, 2021 05:00, sampling point LC0017 Copper, Free 1022 EPA method 200.8 Jul 1, 2021 – Dec 31, 2021
0.6 ug/l , sample collected Oct 13, 2021 05:00, sampling point LC0017 Lead 1030 EPA method 200.8 Jul 1, 2021 – Dec 31, 2021
Collected
Oct 13, 2021 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-211014-068
Laboratory
MSDH Lab
1.27 mg/l , sample collected Oct 13, 2021 06:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2021 – Dec 31, 2021
1.4 ug/l , sample collected Oct 13, 2021 06:10, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2021 – Dec 31, 2021
Collected
Oct 5, 2021 12:35
Sampling point
TF104 Treatment Plant TF104
Sample type
Routine
Lab sample
RU-211006-014
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 5, 2021 12:35, sampling point TF104 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Sep 14, 2021 09:15
Sampling point
TF106 Treatment Facility TF106
Sample type
Routine
Lab sample
PB-210915-010
Laboratory
MSDH Lab
0.0065 mg/l , sample collected Sep 14, 2021 09:15, sampling point TF106 Copper, Free 1022 EPA method 200.8 Not recorded
0.5 ug/l , sample collected Sep 14, 2021 09:15, sampling point TF106 Lead 1030 EPA method 200.8 Not recorded
Collected
Sep 14, 2021 09:10
Sampling point
TF105 Treatment Facility TF105
Sample type
Routine
Lab sample
PB-210915-011
Laboratory
MSDH Lab
0.0053 mg/l , sample collected Sep 14, 2021 09:10, sampling point TF105 Copper, Free 1022 EPA method 200.8 Not recorded
1.7 ug/l , sample collected Sep 14, 2021 09:10, sampling point TF105 Lead 1030 EPA method 200.8 Not recorded
Collected
Sep 14, 2021 08:55
Sampling point
TF104 Treatment Plant TF104
Sample type
Routine
Lab sample
PB-210915-014
Laboratory
MSDH Lab
0.0034 mg/l , sample collected Sep 14, 2021 08:55, sampling point TF104 Copper, Free 1022 EPA method 200.8 Not recorded
0.5 ug/l , sample collected Sep 14, 2021 08:55, sampling point TF104 Lead 1030 EPA method 200.8 Not recorded
Collected
Sep 14, 2021 08:45
Sampling point
WL006 Well WL006
Sample type
Routine
Lab sample
PB-210915-009
Laboratory
MSDH Lab
0.0124 mg/l , sample collected Sep 14, 2021 08:45, sampling point WL006 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 14, 2021 08:45, sampling point WL006 Lead 1030 EPA method 200.8 Not recorded
Collected
Sep 14, 2021 08:40
Sampling point
WL005 Well WL005
Sample type
Routine
Lab sample
PB-210915-013
Laboratory
MSDH Lab
0.0042 mg/l , sample collected Sep 14, 2021 08:40, sampling point WL005 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 14, 2021 08:40, sampling point WL005 Lead 1030 EPA method 200.8 Not recorded

Routine (10).