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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

MS0170005 , Days Water Association

25 of the 63 analytes this system has been tested for have been detected at least once, across 351 samples on record.

The other 38 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 351 samples on record, detections range from August 18, 1993 to August 24, 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 Days 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 171 of 202 results Aug 18, 1993 Aug 24, 2025
Lead 1030 Inorganic Chemical 94 of 202 results Aug 18, 1993 Aug 24, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 23 of 25 results May 5, 2004 Jan 29, 2025
Nitrate 1040 Inorganic Chemical 23 of 25 results May 5, 2004 Jan 29, 2025
Barium 1010 Inorganic Chemical 19 of 19 results Apr 23, 2002 Feb 6, 2024
Nickel 1036 Inorganic Chemical 17 of 19 results Apr 23, 2002 Feb 6, 2024
Fluoride 1025 Inorganic Chemical 16 of 20 results Apr 23, 2002 Feb 6, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 12 of 31 results Jul 9, 2007 Oct 8, 2024
Chromium 1020 Inorganic Chemical 11 of 19 results Apr 23, 2002 Feb 6, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 13, 2011 Jul 10, 2012
TTHM 2950 Organic Chemical 4 of 28 results May 17, 2004 Aug 9, 2023
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 23, 2019 Sep 14, 2021
Dichloroacetic Acid 2451 Organic Chemical 3 of 6 results Sep 15, 2008 Jul 29, 2020
Selenium 1045 Inorganic Chemical 3 of 19 results Apr 23, 2002 Jan 23, 2006
Sulfate 1055 Inorganic Chemical 2 of 4 results Sep 10, 2003 Sep 14, 2021
Cadmium 1015 Inorganic Chemical 2 of 19 results Feb 28, 2005 Jan 23, 2006
Calcium 1016 Inorganic Chemical 1 of 1 result Sep 14, 2021 Sep 14, 2021
Chloride 1017 Inorganic Chemical 1 of 1 result Sep 14, 2021 Sep 14, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 1 of 1 result Sep 14, 2021 Sep 14, 2021
Alkalinity, Total 1927 Water Quality 1 of 1 result Sep 14, 2021 Sep 14, 2021
Monochloroacetic Acid 2450 Organic Chemical 1 of 6 results Aug 1, 2018 Aug 1, 2018
Trichloroacetic Acid 2452 Organic Chemical 1 of 6 results Sep 15, 2008 Sep 15, 2008
Chloroform 2941 Organic Chemical 1 of 6 results Sep 15, 2008 Sep 15, 2008
Bromodichloromethane 2943 Organic Chemical 1 of 6 results Sep 15, 2008 Sep 15, 2008
Arsenic 1005 Inorganic Chemical 1 of 19 results Apr 2, 2008 Apr 2, 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 111–120 of 351 samples, newest first — collected April 22, 2020 to August 25, 2020. The summary above covers all 351.

69 results from the 10 samples listed here: 11 detected, 58 not detected. Across the whole record it is 417 of 1,154. 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 Days Water Association, every result from 111 to 120 of 351 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
Aug 25, 2020 13:30
Sampling point
TF081 Treatment Facitlity TF081
Sample type
Routine
Lab sample
IN-200826-007
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Arsenic 1005 EPA method 200.8 Jul 1, 2020 – Sep 30, 2020
0.0265 mg/l , sample collected Aug 25, 2020 13:30, sampling point TF081 Barium 1010 EPA method 200.8 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Cadmium 1015 EPA method 200.8 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Chromium 1020 EPA method 200.8 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Fluoride 1025 EPA method QC 10-109-12-2-A Jul 1, 2020 – Sep 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Mercury 1035 EPA method 200.8 Jul 1, 2020 – Sep 30, 2020
0.0009 mg/l , sample collected Aug 25, 2020 13:30, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Selenium 1045 EPA method 200.8 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Antimony, Total 1074 EPA method 200.8 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Beryllium, Total 1075 EPA method 200.8 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Jul 1, 2020 – Sep 30, 2020
Collected
Aug 25, 2020 13:30
Sampling point
TF081 Treatment Facitlity TF081
Sample type
Routine
Lab sample
200826-002VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Dichloromethane 2964 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Benzene 2990 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Toluene 2991 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2020 13:30, sampling point TF081 Styrene 2996 EPA method 524.2 Jul 1, 2020 – Sep 30, 2020
Collected
Aug 25, 2020 13:45
Sampling point
TF081 Treatment Facitlity TF081
Sample type
Routine
Lab sample
CN-200826-001
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 25, 2020 13:45, sampling point TF081 Cyanide 1024 EPA method QC10204001X Jul 1, 2020 – Sep 30, 2020
Collected
Jul 29, 2020 13:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
200730-003HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 29, 2020 13:30, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jul 29, 2020 13:30, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 29, 2020 13:30, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 29, 2020 13:30, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 29, 2020 13:30, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jul 29, 2020 13:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2020 – Dec 31, 2020
Collected
Jul 29, 2020 13:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
200730-002TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 29, 2020 13:30, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 29, 2020 13:30, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 29, 2020 13:30, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 29, 2020 13:30, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jul 29, 2020 13:30, sampling point MRT000 TTHM 2950 Jan 1, 2020 – Dec 31, 2020
Collected
Jun 10, 2020 09:00
Sampling point
TF081 Treatment Facitlity TF081
Sample type
Routine
Lab sample
200611-004RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2020 09:00, sampling point TF081 Combined Uranium 4006 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Collected
Jun 10, 2020 09:30
Sampling point
TF081 Treatment Facitlity TF081
Sample type
Routine
Lab sample
200611-002CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 10, 2020 09:30, sampling point TF081 Cyanide 1024 EPA method QC10204001X Apr 1, 2020 – Jun 30, 2020
Collected
Apr 22, 2020 12:00
Sampling point
TF081 Treatment Facitlity TF081
Sample type
Routine
Lab sample
200423-027IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Arsenic 1005 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
0.0237 mg/l , sample collected Apr 22, 2020 12:00, sampling point TF081 Barium 1010 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Cadmium 1015 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
0.0006 mg/l , sample collected Apr 22, 2020 12:00, sampling point TF081 Chromium 1020 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
0.556 mg/l , sample collected Apr 22, 2020 12:00, sampling point TF081 Fluoride 1025 EPA method QC 10-109-12-2-A Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Mercury 1035 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
0.0007 mg/l , sample collected Apr 22, 2020 12:00, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Selenium 1045 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Antimony, Total 1074 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Beryllium, Total 1075 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Collected
Apr 22, 2020 12:00
Sampling point
TF081 Treatment Facitlity TF081
Sample type
Routine
Lab sample
200423-026IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Arsenic 1005 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
0.0243 mg/l , sample collected Apr 22, 2020 12:00, sampling point TF081 Barium 1010 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Cadmium 1015 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Chromium 1020 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
0.555 mg/l , sample collected Apr 22, 2020 12:00, sampling point TF081 Fluoride 1025 EPA method QC 10-109-12-2-A Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Mercury 1035 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
0.0013 mg/l , sample collected Apr 22, 2020 12:00, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Selenium 1045 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Antimony, Total 1074 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Beryllium, Total 1075 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:00, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Apr 1, 2020 – Jun 30, 2020
Collected
Apr 22, 2020 12:01
Sampling point
TF081 Treatment Facitlity TF081
Sample type
Routine
Lab sample
200423-021CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:01, sampling point TF081 Cyanide 1024 EPA method QC10204001X Apr 1, 2020 – Jun 30, 2020

Routine (10).