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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

MS0200001 , Combined Utilities

40 of the 73 analytes this system has been tested for have been detected at least once, across 463 samples on record.

The other 33 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 463 samples on record, detections range from September 8, 1993 to July 27, 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 Combined Utilities, 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 210 of 216 results Sep 8, 1993 Jul 2, 2024
Lead 1030 Inorganic Chemical 184 of 216 results Sep 8, 1993 Jul 2, 2024
Barium 1010 Inorganic Chemical 30 of 30 results May 21, 2002 Feb 4, 2025
Fluoride 1025 Inorganic Chemical 30 of 31 results May 21, 2002 Feb 4, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 21 of 21 results May 26, 2004 May 5, 2025
TTHM 2950 Organic Chemical 21 of 21 results May 26, 2004 May 5, 2025
Chromium 1020 Inorganic Chemical 18 of 30 results Feb 4, 2004 Feb 4, 2025
Arsenic 1005 Inorganic Chemical 16 of 30 results Mar 2, 2005 Feb 4, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 16 results Mar 5, 2012 Oct 3, 2012
Dichloroacetic Acid 2451 Organic Chemical 14 of 14 results Jul 14, 2008 May 5, 2025
Trichloroacetic Acid 2452 Organic Chemical 14 of 14 results Jul 14, 2008 May 5, 2025
Dibromoacetic Acid 2454 Organic Chemical 14 of 14 results Jul 14, 2008 May 5, 2025
Chloroform 2941 Organic Chemical 14 of 14 results Jul 14, 2008 May 5, 2025
Bromodichloromethane 2943 Organic Chemical 14 of 14 results Jul 14, 2008 May 5, 2025
Dibromochloromethane 2944 Organic Chemical 14 of 14 results Jul 14, 2008 May 5, 2025
Bromoform 2942 Organic Chemical 13 of 14 results Jul 14, 2008 May 5, 2025
Xylenes, Total 2955 Organic Chemical 13 of 55 results May 23, 2007 Jan 24, 2023
Sodium 1052 Inorganic Chemical 10 of 10 results Dec 1, 2010 Jan 29, 2024
Selenium 1045 Inorganic Chemical 9 of 30 results May 21, 2002 Feb 4, 2025
Nickel 1036 Inorganic Chemical 9 of 30 results Jan 30, 2006 Apr 9, 2014
Ethylbenzene 2992 Organic Chemical 4 of 55 results May 23, 2007 May 2, 2022
Monochloroacetic Acid 2450 Organic Chemical 3 of 14 results Jun 14, 2011 Aug 1, 2024
Sulfate 1055 Inorganic Chemical 3 of 5 results May 21, 2002 Dec 1, 2010
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 16 results Jul 27, 2026 Jul 27, 2026
Radium-226 4020 Radionuclide 1 of 16 results Jul 27, 2026 Jul 27, 2026
Carbon Tetrachloride 2982 Organic Chemical 1 of 55 results Jul 16, 2012 Jul 16, 2012
Calcium 1016 Inorganic Chemical 1 of 1 result Dec 1, 2010 Dec 1, 2010
Chloride 1017 Inorganic Chemical 1 of 1 result Dec 1, 2010 Dec 1, 2010
Magnesium 1031 Inorganic Chemical 1 of 1 result Dec 1, 2010 Dec 1, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result Dec 1, 2010 Dec 1, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result Dec 1, 2010 Dec 1, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Dec 1, 2010 Dec 1, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Dec 1, 2010 Dec 1, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result Dec 1, 2010 Dec 1, 2010
Color 1905 Water Quality 1 of 1 result Dec 1, 2010 Dec 1, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Dec 1, 2010 Dec 1, 2010
Alkalinity, Total 1927 Water Quality 1 of 1 result Dec 1, 2010 Dec 1, 2010
Calculated Sodium NACA Water Quality 1 of 1 result Dec 1, 2010 Dec 1, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Dec 1, 2010 Dec 1, 2010
Cadmium 1015 Inorganic Chemical 1 of 30 results Mar 2, 2005 Mar 2, 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 161–170 of 463 samples, newest first — collected July 22, 2015 to December 21, 2016. The summary above covers all 463.

61 results from the 10 samples listed here: 9 detected, 52 not detected. Across the whole record it is 710 of 2,415. 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 Combined Utilities, every result from 161 to 170 of 463 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
Dec 21, 2016 01:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
161222-001VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 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 21, 2016 01:45, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Collected
Nov 15, 2016 02:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
161116-008VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 15, 2016 02:20, sampling point TF102 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 Nov 15, 2016 02:20, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 15, 2016 02:20, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 15, 2016 02:20, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 15, 2016 02:20, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 15, 2016 02:20, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 15, 2016 02:20, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Collected
Mar 28, 2016 15:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160329-022NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 28, 2016 15:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 28, 2016 15:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 28, 2016 15:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 28, 2016 14:05
Sampling point
TF103
Sample type
Routine
Lab sample
160329-021NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 28, 2016 14:05, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 28, 2016 14:05, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 28, 2016 14:05, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 28, 2016 14:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160329-013NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 28, 2016 14:45, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 28, 2016 14:45, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 28, 2016 14:45, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Jul 22, 2015 06:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150723-026PB
Laboratory
MSDH Lab
0.1332 mg/l , sample collected Jul 22, 2015 06:38, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0016 mg/l , sample collected Jul 22, 2015 06:38, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 22, 2015 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150723-049PB
Laboratory
MSDH Lab
0.0762 mg/l , sample collected Jul 22, 2015 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 22, 2015 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 22, 2015 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150723-048PB
Laboratory
MSDH Lab
0.0116 mg/l , sample collected Jul 22, 2015 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0007 mg/l , sample collected Jul 22, 2015 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 22, 2015 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150723-047PB
Laboratory
MSDH Lab
0.031 mg/l , sample collected Jul 22, 2015 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0005 mg/l , sample collected Jul 22, 2015 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 22, 2015 06:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150723-043PB
Laboratory
MSDH Lab
0.2132 mg/l , sample collected Jul 22, 2015 06:44, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0042 mg/l , sample collected Jul 22, 2015 06:44, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016

Routine (10).