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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 51–60 of 1,028 samples, newest first — collected March 11, 2025 to April 22, 2025. The summary above covers all 1,028.

78 results from the 10 samples listed here: 8 detected, 70 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.

Chemical and radiological sample results for Clara Water Association, every result from 51 to 60 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
Apr 22, 2025 11:25
Sampling point
TF105 Treatment Facility TF105
Sample type
Routine
Lab sample
IN-250423-002
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 11:25, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
0.0162 mg/l , sample collected Apr 22, 2025 11:25, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 11:25, sampling point TF105 Cadmium 1015 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
0.0006 mg/l , sample collected Apr 22, 2025 11:25, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
0.102 mg/l , sample collected Apr 22, 2025 11:25, sampling point TF105 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2025 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 11:25, sampling point TF105 Mercury 1035 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
0.0006 mg/l , sample collected Apr 22, 2025 11:25, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 11:25, sampling point TF105 Selenium 1045 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 11:25, sampling point TF105 Antimony, Total 1074 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 11:25, sampling point TF105 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 11:25, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
Collected
Apr 15, 2025 11:45
Sampling point
TF105 Treatment Facility TF105
Sample type
Routine
Lab sample
NI-250416-067
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 11:45, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 11:45, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 11:45, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 15, 2025 11:55
Sampling point
TF104 Treatment Plant TF104
Sample type
Routine
Lab sample
NI-250416-066
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 11:55, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 11:55, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 11:55, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 1, 2025 12:15
Sampling point
TF104 Treatment Plant TF104
Sample type
Routine
Lab sample
IN-250402-004
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:15, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0135 mg/l , sample collected Apr 1, 2025 12:15, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:15, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:15, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.124 mg/l , sample collected Apr 1, 2025 12:15, sampling point TF104 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:15, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:15, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:15, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:15, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:15, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Apr 1, 2025 12:00
Sampling point
TF106 Treatment Facility TF106
Sample type
Routine
Lab sample
NI-250402-025
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:00, sampling point TF106 Nitrate-Nitrite 1038 EPA method QC10107041C Apr 1, 2025 – Jun 30, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:00, sampling point TF106 Nitrate 1040 EPA method QC10107041C Apr 1, 2025 – Jun 30, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 12:00, sampling point TF106 Nitrite 1041 EPA method QC10107041C Apr 1, 2025 – Jun 30, 2025
Collected
Apr 1, 2025 12:10
Sampling point
TF105 Treatment Facility TF105
Sample type
Routine
Lab sample
VO-250402-001
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Xylenes, Total 2955 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Dichloromethane 2964 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 O-Dichlorobenzene 2968 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 P-Dichlorobenzene 2969 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Vinyl Chloride 2976 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 1,1-Dichloroethylene 2977 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 1,2-Dichloroethane 2980 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 1,1,1-Trichloroethane 2981 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Carbon Tetrachloride 2982 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 1,2-Dichloropropane 2983 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Trichloroethylene 2984 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 1,1,2-Trichloroethane 2985 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Tetrachloroethylene 2987 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Chlorobenzene 2989 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Benzene 2990 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Toluene 2991 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Ethylbenzene 2992 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2025 12:10, sampling point TF105 Styrene 2996 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Mar 25, 2025 00:05
Sampling point
WL006 Well WL006
Sample type
Routine
Lab sample
PB-250326-003
Laboratory
MSDH Lab
0.00259 mg/l , sample collected Mar 25, 2025 00:05, sampling point WL006 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2025 00:05, sampling point WL006 Lead 1030 EPA method 200.8 Not recorded
Collected
Mar 25, 2025 11:59
Sampling point
WL005 Well WL005
Sample type
Routine
Lab sample
PB-250326-002
Laboratory
MSDH Lab
0.00213 mg/l , sample collected Mar 25, 2025 11:59, sampling point WL005 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2025 11:59, sampling point WL005 Lead 1030 EPA method 200.8 Not recorded
Collected
Mar 25, 2025 12:25
Sampling point
WL004 Well WL004
Sample type
Routine
Lab sample
PB-250326-001
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 12:25, sampling point WL004 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2025 12:25, sampling point WL004 Lead 1030 EPA method 200.8 Not recorded
Collected
Mar 11, 2025 12:05
Sampling point
TF106 Treatment Facility TF106
Sample type
Routine
Lab sample
VO-250312-011
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Dichloromethane 2964 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Benzene 2990 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Toluene 2991 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 12:05, sampling point TF106 Styrene 2996 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025

Routine (10).