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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

MS0620001 , C & C W/A

30 of the 57 analytes this system has been tested for have been detected at least once, across 450 samples on record.

The other 27 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 450 samples on record, detections range from October 22, 2003 to October 21, 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 C & C W/A, 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
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 74 of 75 results Nov 17, 2005 Oct 21, 2025
TTHM 2950 Organic Chemical 74 of 75 results Nov 17, 2005 Oct 21, 2025
Copper, Free 1022 Inorganic Chemical 57 of 57 results Aug 16, 2007 Jul 24, 2023
Chloroform 2941 Organic Chemical 41 of 41 results Oct 9, 2006 Oct 21, 2025
Bromodichloromethane 2943 Organic Chemical 41 of 41 results Oct 9, 2006 Oct 21, 2025
Lead 1030 Inorganic Chemical 38 of 57 results Aug 16, 2007 Jul 24, 2023
Dichloroacetic Acid 2451 Organic Chemical 36 of 36 results Feb 27, 2008 Oct 21, 2025
Trichloroacetic Acid 2452 Organic Chemical 36 of 36 results Feb 27, 2008 Oct 21, 2025
Barium 1010 Inorganic Chemical 33 of 33 results Oct 22, 2003 Mar 24, 2025
Fluoride 1025 Inorganic Chemical 33 of 33 results Oct 22, 2003 Mar 24, 2025
Chromium 1020 Inorganic Chemical 21 of 33 results Oct 22, 2003 Jan 9, 2024
Dibromochloromethane 2944 Organic Chemical 15 of 41 results Nov 3, 2008 Sep 1, 2020
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Mar 12, 2012 Oct 3, 2012
Dibromoacetic Acid 2454 Organic Chemical 12 of 36 results Nov 3, 2008 Sep 1, 2020
Bromoform 2942 Organic Chemical 11 of 41 results Nov 3, 2008 Sep 1, 2020
Monochloroacetic Acid 2450 Organic Chemical 9 of 36 results May 11, 2009 Feb 24, 2020
Nickel 1036 Inorganic Chemical 6 of 33 results Dec 3, 2007 Mar 31, 2014
Selenium 1045 Inorganic Chemical 5 of 33 results Mar 24, 2004 Feb 1, 2010
Nitrite 1041 Inorganic Chemical 5 of 67 results Jun 9, 2004 Oct 3, 2005
Arsenic 1005 Inorganic Chemical 4 of 33 results Nov 3, 2008 Oct 17, 2022
Monobromoacetic Acid 2453 Organic Chemical 4 of 36 results Nov 27, 2017 Feb 24, 2020
Sodium 1052 Inorganic Chemical 3 of 3 results Nov 6, 2023 Nov 6, 2023
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 67 results Jun 9, 2004 Jun 9, 2004
Nitrate 1040 Inorganic Chemical 2 of 67 results Jun 9, 2004 Jun 9, 2004
Xylenes, Total 2955 Organic Chemical 1 of 72 results Oct 3, 2012 Oct 3, 2012
Carbon Tetrachloride 2982 Organic Chemical 1 of 72 results Oct 3, 2012 Oct 3, 2012
Ethylbenzene 2992 Organic Chemical 1 of 72 results Oct 3, 2012 Oct 3, 2012
Toluene 2991 Organic Chemical 1 of 72 results Sep 13, 2004 Sep 13, 2004
Dichloromethane 2964 Organic Chemical 1 of 72 results Sep 2, 2004 Sep 2, 2004
Sulfate 1055 Inorganic Chemical 1 of 4 results Oct 22, 2003 Oct 22, 2003

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 111–120 of 450 samples, newest first — collected August 24, 2020 to February 22, 2021. The summary above covers all 450.

61 results from the 10 samples listed here: 25 detected, 36 not detected. Across the whole record it is 583 of 2,803. 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 C & C W/A, every result from 111 to 120 of 450 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
Feb 22, 2021 14:04
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
CN-210223-002
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 22, 2021 14:04, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2019 – Dec 31, 2021
Collected
Jan 12, 2021 13:03
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
IN-210113-013
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2021 13:03, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.0009 mg/l , sample collected Jan 12, 2021 13:03, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2021 13:03, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2021 13:03, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.211 mg/l , sample collected Jan 12, 2021 13:03, sampling point TF104 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2021 13:03, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2021 13:03, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 12, 2021 13:03, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2021 13:03, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2021 13:03, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2021 13:03, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Oct 20, 2020 14:08
Sampling point
TF105
Sample type
Routine
Lab sample
201021-008VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Dichloromethane 2964 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Benzene 2990 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Toluene 2991 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2020 14:08, sampling point TF105 Styrene 2996 EPA method 524.2 Jan 1, 2015 – Dec 31, 2020
Collected
Sep 1, 2020 13:50
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
200902-005HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 1, 2020 13:50, sampling point SMH Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Sep 1, 2020 13:50, sampling point SMH Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Sep 1, 2020 13:50, sampling point SMH Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 1, 2020 13:50, sampling point SMH Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Sep 1, 2020 13:50, sampling point SMH Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.009 mg/l , sample collected Sep 1, 2020 13:50, sampling point SMH Total Haloacetic Acids (Haa5) 2456 Jul 1, 2020 – Sep 30, 2020
Collected
Sep 1, 2020 15:01
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
200902-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 1, 2020 15:01, sampling point SMT Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Sep 1, 2020 15:01, sampling point SMT Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Sep 1, 2020 15:01, sampling point SMT Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 1, 2020 15:01, sampling point SMT Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Sep 1, 2020 15:01, sampling point SMT Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.009 mg/l , sample collected Sep 1, 2020 15:01, sampling point SMT Total Haloacetic Acids (Haa5) 2456 Jul 1, 2020 – Sep 30, 2020
Collected
Sep 1, 2020 15:17
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
200902-007TH
Laboratory
MSDH Lab
15.6 ug/l , sample collected Sep 1, 2020 15:17, sampling point SMT Chloroform 2941 EPA method 524.2 Not recorded
3.99 ug/l , sample collected Sep 1, 2020 15:17, sampling point SMT Bromoform 2942 EPA method 524.2 Not recorded
17.3 ug/l , sample collected Sep 1, 2020 15:17, sampling point SMT Bromodichloromethane 2943 EPA method 524.2 Not recorded
15.2 ug/l , sample collected Sep 1, 2020 15:17, sampling point SMT Dibromochloromethane 2944 EPA method 524.2 Not recorded
52.1 ug/l , sample collected Sep 1, 2020 15:17, sampling point SMT TTHM 2950 Jul 1, 2020 – Sep 30, 2020
Collected
Sep 1, 2020 13:50
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
200902-006TH
Laboratory
MSDH Lab
14.3 ug/l , sample collected Sep 1, 2020 13:50, sampling point SMH Chloroform 2941 EPA method 524.2 Not recorded
3.24 ug/l , sample collected Sep 1, 2020 13:50, sampling point SMH Bromoform 2942 EPA method 524.2 Not recorded
15.2 ug/l , sample collected Sep 1, 2020 13:50, sampling point SMH Bromodichloromethane 2943 EPA method 524.2 Not recorded
12.9 ug/l , sample collected Sep 1, 2020 13:50, sampling point SMH Dibromochloromethane 2944 EPA method 524.2 Not recorded
45.6 ug/l , sample collected Sep 1, 2020 13:50, sampling point SMH TTHM 2950 Jul 1, 2020 – Sep 30, 2020
Collected
Aug 24, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200825-020PB
Laboratory
MSDH Lab
0.4397 mg/l , sample collected Aug 24, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0008 mg/l , sample collected Aug 24, 2020 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Aug 24, 2020 04:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200825-019PB
Laboratory
MSDH Lab
0.0836 mg/l , sample collected Aug 24, 2020 04:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0032 mg/l , sample collected Aug 24, 2020 04:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Aug 24, 2020 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200825-018PB
Laboratory
MSDH Lab
0.105 mg/l , sample collected Aug 24, 2020 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 24, 2020 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).