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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 1,031 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 1,031 samples on record, detections range from November 3, 2003 to August 6, 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 35 of 35 results Nov 3, 2003 Aug 6, 2026
Fluoride 1025 Inorganic Chemical 22 of 39 results Nov 3, 2003 Aug 6, 2026
Sodium 1052 Inorganic Chemical 10 of 10 results Nov 6, 2009 Aug 6, 2026
TTHM 2950 Organic Chemical 8 of 17 results Sep 17, 2007 Nov 18, 2024
Chromium 1020 Inorganic Chemical 7 of 35 results Nov 3, 2003 Apr 22, 2025
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 42 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 40 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 491–500 of 1,031 samples, newest first — collected October 17, 2017 to April 24, 2018. The summary above covers all 1,031.

22 results from the 10 samples listed here: 13 detected, 9 not detected. Across the whole record it is 1,454 of 3,338. 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 Clara Water Association, every result from 491 to 500 of 1,031 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
Apr 24, 2018 03:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180426-001PB
Laboratory
MSDH Lab
1.1126 mg/l , sample collected Apr 24, 2018 03:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Jun 30, 2018
0.0012 mg/l , sample collected Apr 24, 2018 03:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Jun 30, 2018
Collected
Apr 24, 2018 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180426-022PB
Laboratory
MSDH Lab
0.0949 mg/l , sample collected Apr 24, 2018 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Jun 30, 2018
0.0661 mg/l , sample collected Apr 24, 2018 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Jun 30, 2018
Collected
Apr 23, 2018
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180426-006PB
Laboratory
MSDH Lab
0.0216 mg/l , sample collected Apr 23, 2018, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Jun 30, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2018, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Jun 30, 2018
Collected
Apr 23, 2018
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180426-007PB
Laboratory
MSDH Lab
1.682 mg/l , sample collected Apr 23, 2018, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Jun 30, 2018
0.0022 mg/l , sample collected Apr 23, 2018, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Jun 30, 2018
Collected
Apr 9, 2018 12:30
Sampling point
TF104 Treatment Plant TF104
Sample type
Routine
Lab sample
180410-032NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 9, 2018 12:30, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 9, 2018 12:30, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 9, 2018 12:30, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Apr 9, 2018 12:35
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
180410-031NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 9, 2018 12:35, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 9, 2018 12:35, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 9, 2018 12:35, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Oct 18, 2017 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
171019-034PB
Laboratory
MSDH Lab
0.0057 mg/l , sample collected Oct 18, 2017 10:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2017 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 18, 2017 10:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2017 – Dec 31, 2017
Collected
Oct 18, 2017 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
171019-033PB
Laboratory
MSDH Lab
0.002 mg/l , sample collected Oct 18, 2017 10:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2017 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 18, 2017 10:15, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2017 – Dec 31, 2017
Collected
Oct 17, 2017 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
171019-030PB
Laboratory
MSDH Lab
0.0913 mg/l , sample collected Oct 17, 2017 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2017 – Dec 31, 2017
0.0011 mg/l , sample collected Oct 17, 2017 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2017 – Dec 31, 2017
Collected
Oct 17, 2017 05:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
171019-029PB
Laboratory
MSDH Lab
0.7556 mg/l , sample collected Oct 17, 2017 05:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2017 – Dec 31, 2017
0.0015 mg/l , sample collected Oct 17, 2017 05:20, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2017 – Dec 31, 2017

Routine (10).