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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

MS0610027 , Star Water Company

43 of the 75 analytes this system has been tested for have been detected at least once, across 402 samples on record.

The other 32 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 402 samples on record, detections range from October 20, 2003 to August 19, 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 Star Water Company, 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 60 of 60 results Aug 7, 2007 Jul 26, 2023
Lead 1030 Inorganic Chemical 52 of 60 results Aug 7, 2007 Jul 26, 2023
TTHM 2950 Organic Chemical 44 of 44 results Aug 9, 2004 Aug 19, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 41 of 41 results Aug 9, 2004 Aug 19, 2025
Chloroform 2941 Organic Chemical 37 of 37 results Jun 18, 2007 Nov 12, 2024
Bromodichloromethane 2943 Organic Chemical 37 of 37 results Jun 18, 2007 Nov 12, 2024
Dibromochloromethane 2944 Organic Chemical 37 of 37 results Jun 18, 2007 Nov 12, 2024
Fluoride 1025 Inorganic Chemical 35 of 35 results Oct 20, 2003 Mar 26, 2025
Dichloroacetic Acid 2451 Organic Chemical 34 of 34 results Jul 8, 2008 Nov 26, 2024
Trichloroacetic Acid 2452 Organic Chemical 34 of 34 results Jul 8, 2008 Nov 26, 2024
Barium 1010 Inorganic Chemical 32 of 32 results Oct 20, 2003 Mar 26, 2025
Xylenes, Total 2955 Organic Chemical 28 of 99 results Aug 23, 2004 Sep 4, 2019
Chromium 1020 Inorganic Chemical 25 of 32 results Oct 20, 2003 Mar 26, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 16 of 16 results Mar 12, 2012 Jan 18, 2018
Nickel 1036 Inorganic Chemical 12 of 32 results Oct 20, 2003 Mar 26, 2025
Monochloroacetic Acid 2450 Organic Chemical 7 of 34 results Sep 14, 2009 Nov 12, 2024
Sodium 1052 Inorganic Chemical 7 of 7 results Aug 22, 2008 Dec 4, 2023
Dibromoacetic Acid 2454 Organic Chemical 7 of 34 results Jul 13, 2009 Jun 17, 2013
Sulfate 1055 Inorganic Chemical 6 of 6 results Oct 20, 2003 Aug 18, 2009
Ethylbenzene 2992 Organic Chemical 6 of 99 results Nov 30, 2004 Jun 14, 2005
Selenium 1045 Inorganic Chemical 4 of 32 results Mar 22, 2004 Mar 27, 2006
Calcium 1016 Inorganic Chemical 3 of 3 results Aug 22, 2008 Aug 18, 2009
Chloride 1017 Inorganic Chemical 3 of 3 results Aug 22, 2008 Aug 18, 2009
Magnesium 1031 Inorganic Chemical 3 of 3 results Aug 22, 2008 Aug 18, 2009
Manganese 1032 Inorganic Chemical 3 of 3 results Aug 22, 2008 Aug 18, 2009
Potassium 1042 Inorganic Chemical 3 of 3 results Aug 22, 2008 Aug 18, 2009
Residue, Total, Filterable 1057 Water Quality 3 of 3 results Aug 22, 2008 Aug 18, 2009
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Aug 22, 2008 Aug 18, 2009
Carbon Dioxide 1901 Water Quality 3 of 3 results Aug 22, 2008 Aug 18, 2009
Color 1905 Water Quality 3 of 3 results Aug 22, 2008 Aug 18, 2009
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Aug 22, 2008 Aug 18, 2009
Alkalinity, Total 1927 Water Quality 3 of 3 results Aug 22, 2008 Aug 18, 2009
Iron, Field Result FEFD Inorganic Chemical 3 of 3 results Aug 22, 2008 Aug 18, 2009
Calculated Sodium NACA Water Quality 3 of 3 results Aug 22, 2008 Aug 18, 2009
PH, Field Result PHFD Water Quality 3 of 3 results Aug 22, 2008 Aug 18, 2009
Dichloromethane 2964 Organic Chemical 3 of 99 results Aug 23, 2004 Aug 23, 2004
Nitrite 1041 Inorganic Chemical 2 of 62 results Jul 31, 2006 Jul 31, 2006
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 16 results Jan 18, 2018 Jan 18, 2018
Radium-226 4020 Radionuclide 1 of 16 results Jan 18, 2018 Jan 18, 2018
Radium-228 4030 Radionuclide 1 of 16 results Jan 18, 2018 Jan 18, 2018
Iron 1028 Inorganic Chemical 1 of 3 results Aug 18, 2009 Aug 18, 2009
PH 1925 Water Quality 1 of 1 result Aug 22, 2008 Aug 22, 2008
Temperature, Field Result TEMP Water Quality 1 of 1 result Aug 22, 2008 Aug 22, 2008

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 121–130 of 402 samples, newest first — collected October 11, 2016 to July 20, 2017. The summary above covers all 402.

74 results from the 10 samples listed here: 17 detected, 57 not detected. Across the whole record it is 614 of 3,314. 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 Star Water Company, every result from 121 to 130 of 402 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
Jul 20, 2017 06:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170721-088PB
Laboratory
MSDH Lab
0.1671 mg/l , sample collected Jul 20, 2017 06:54, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0013 mg/l , sample collected Jul 20, 2017 06:54, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 7, 2017 05:30
Sampling point
TF104 Treatment Facility TF104
Sample type
Routine
Lab sample
170608-005RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 7, 2017 05:30, sampling point TF104 Combined Uranium 4006 EPA method 200.8 Apr 1, 2017 – Jun 30, 2017
Collected
Mar 27, 2017 10:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
170328-085NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 10:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 10:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 10:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Mar 27, 2017 10:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
170328-078NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 10:30, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 10:30, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 10:30, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Dec 12, 2016 11:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
161212-019IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0066 mg/l , sample collected Dec 12, 2016 11:00, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.003 mg/l , sample collected Dec 12, 2016 11:00, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.175 mg/l , sample collected Dec 12, 2016 11:00, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 12, 2016 11:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
161212-018IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0054 mg/l , sample collected Dec 12, 2016 11:00, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.17 mg/l , sample collected Dec 12, 2016 11:00, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 12, 2016 11:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
161212-017IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0055 mg/l , sample collected Dec 12, 2016 11:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0036 mg/l , sample collected Dec 12, 2016 11:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.181 mg/l , sample collected Dec 12, 2016 11:00, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 12, 2016 10:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
161213-004VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2016 10:30, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Collected
Oct 11, 2016 10:45
Sampling point
SMH SMH
Sample type
Routine
Lab sample
161012-007TH
Laboratory
MSDH Lab
30.4 ug/l , sample collected Oct 11, 2016 10:45, sampling point SMH Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 11, 2016 10:45, sampling point SMH Bromoform 2942 EPA method 524.2 Not recorded
7.14 ug/l , sample collected Oct 11, 2016 10:45, sampling point SMH Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.56 ug/l , sample collected Oct 11, 2016 10:45, sampling point SMH Dibromochloromethane 2944 EPA method 524.2 Not recorded
39.1 ug/l , sample collected Oct 11, 2016 10:45, sampling point SMH TTHM 2950 Jan 1, 2016 – Dec 31, 2016
Collected
Oct 11, 2016 10:45
Sampling point
SMT SMT
Sample type
Routine
Lab sample
161012-007HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Oct 11, 2016 10:45, sampling point SMT Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.015 mg/l , sample collected Oct 11, 2016 10:45, sampling point SMT Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.017 mg/l , sample collected Oct 11, 2016 10:45, sampling point SMT Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 11, 2016 10:45, sampling point SMT Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 11, 2016 10:45, sampling point SMT Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.032 mg/l , sample collected Oct 11, 2016 10:45, sampling point SMT Total Haloacetic Acids (Haa5) 2456 Jan 1, 2016 – Dec 31, 2016

Routine (10).