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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

MS0610025 , Se Rankin Water Assn-Johns

43 of the 74 analytes this system has been tested for have been detected at least once, across 404 samples on record.

The other 31 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 404 samples on record, detections range from October 29, 2003 to July 16, 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 Se Rankin Water Assn-Johns, 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 62 of 62 results Aug 9, 2007 Jul 25, 2023
Fluoride 1025 Inorganic Chemical 41 of 45 results Oct 29, 2003 Oct 6, 2025
Barium 1010 Inorganic Chemical 40 of 40 results Oct 29, 2003 Oct 6, 2025
Lead 1030 Inorganic Chemical 36 of 62 results Aug 9, 2007 Jul 25, 2023
Chromium 1020 Inorganic Chemical 25 of 40 results Oct 29, 2003 Jul 7, 2025
TTHM 2950 Organic Chemical 20 of 20 results Aug 11, 2004 Jun 10, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 17 of 18 results Aug 11, 2004 Aug 11, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 20 results Mar 21, 2012 Oct 9, 2012
Chloroform 2941 Organic Chemical 13 of 13 results Jul 14, 2008 Jun 10, 2026
Bromodichloromethane 2943 Organic Chemical 13 of 13 results Jul 14, 2008 Jun 10, 2026
Dibromochloromethane 2944 Organic Chemical 13 of 13 results Jul 14, 2008 Jun 10, 2026
Sodium 1052 Inorganic Chemical 12 of 12 results Feb 27, 2006 Jul 16, 2026
Trichloroacetic Acid 2452 Organic Chemical 12 of 12 results Jul 14, 2008 May 5, 2025
Dichloroacetic Acid 2451 Organic Chemical 11 of 12 results Jul 14, 2008 May 5, 2025
Nickel 1036 Inorganic Chemical 9 of 40 results Apr 20, 2005 Apr 7, 2025
Sulfate 1055 Inorganic Chemical 8 of 8 results Oct 29, 2003 Mar 19, 2021
Alkalinity, Total 1927 Water Quality 5 of 5 results Feb 27, 2006 Mar 19, 2021
Chloride 1017 Inorganic Chemical 4 of 5 results Apr 17, 2009 Mar 19, 2021
Color 1905 Water Quality 4 of 5 results Feb 27, 2006 Mar 19, 2021
Xylenes, Total 2955 Organic Chemical 4 of 84 results Dec 1, 2004 Mar 13, 2006
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 89 results Mar 11, 2013 Mar 13, 2023
Nitrate 1040 Inorganic Chemical 3 of 89 results Mar 11, 2013 Mar 13, 2023
Conductivity @ 25 C Umhos/CM 1064 Water Quality 3 of 3 results Mar 19, 2021 Mar 19, 2021
Selenium 1045 Inorganic Chemical 2 of 40 results Mar 24, 2004 Feb 1, 2010
Calcium 1016 Inorganic Chemical 2 of 5 results Feb 27, 2006 Apr 17, 2009
Iron 1028 Inorganic Chemical 2 of 2 results Feb 27, 2006 Apr 17, 2009
Manganese 1032 Inorganic Chemical 2 of 2 results Feb 27, 2006 Apr 17, 2009
Potassium 1042 Inorganic Chemical 2 of 2 results Feb 27, 2006 Apr 17, 2009
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Feb 27, 2006 Apr 17, 2009
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Feb 27, 2006 Apr 17, 2009
Carbon Dioxide 1901 Water Quality 2 of 2 results Feb 27, 2006 Apr 17, 2009
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Feb 27, 2006 Apr 17, 2009
PH 1925 Water Quality 2 of 2 results Feb 27, 2006 Apr 17, 2009
Calculated Sodium NACA Water Quality 2 of 2 results Feb 27, 2006 Apr 17, 2009
Monochloroacetic Acid 2450 Organic Chemical 1 of 12 results Aug 7, 2017 Aug 7, 2017
Mercury 1035 Inorganic Chemical 1 of 39 results Dec 12, 2016 Dec 12, 2016
Cyanide 1024 Inorganic Chemical 1 of 41 results Mar 8, 2010 Mar 8, 2010
Carbon Tetrachloride 2982 Organic Chemical 1 of 84 results Aug 17, 2009 Aug 17, 2009
Magnesium 1031 Inorganic Chemical 1 of 2 results Apr 17, 2009 Apr 17, 2009
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Apr 17, 2009 Apr 17, 2009
PH, Field Result PHFD Water Quality 1 of 1 result Apr 17, 2009 Apr 17, 2009
Toluene 2991 Organic Chemical 1 of 84 results Mar 20, 2008 Mar 20, 2008
Nitrite 1041 Inorganic Chemical 1 of 89 results Aug 14, 2006 Aug 14, 2006

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 151–160 of 404 samples, newest first — collected December 12, 2016 to July 19, 2017. The summary above covers all 404.

41 results from the 10 samples listed here: 10 detected, 31 not detected. Across the whole record it is 404 of 2,963. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

Mercury is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for Se Rankin Water Assn-Johns, every result from 151 to 160 of 404 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 19, 2017 06:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170720-062PB
Laboratory
MSDH Lab
0.3406 mg/l , sample collected Jul 19, 2017 06:01, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0006 mg/l , sample collected Jul 19, 2017 06:01, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jul 19, 2017 07:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170720-061PB
Laboratory
MSDH Lab
0.0268 mg/l , sample collected Jul 19, 2017 07:52, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 19, 2017 07:52, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jul 17, 2017 09:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170720-067PB
Laboratory
MSDH Lab
0.0111 mg/l , sample collected Jul 17, 2017 09:02, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 17, 2017 09:02, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
May 30, 2017 10:00
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
170531-001CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 30, 2017 10:00, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2016 – Dec 31, 2018
Collected
Mar 27, 2017 11:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
170328-089NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 11:45, sampling point TF101 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 11:45, sampling point TF101 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 11:45, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Mar 27, 2017 11:15
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
170328-079NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 11:15, sampling point TF104 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 11:15, sampling point TF104 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 11:15, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Mar 27, 2017 12:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
170328-072NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 12:15, 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 12:15, 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 12:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Mar 27, 2017 11:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
170328-008NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2017 11:00, 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 11:00, 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 11:00, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Dec 12, 2016 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
161212-007IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:30, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.001 mg/l , sample collected Dec 12, 2016 12:30, 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 12:30, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0014 mg/l , sample collected Dec 12, 2016 12:30, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.147 mg/l , sample collected Dec 12, 2016 12:30, 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 12:30, 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 12:30, 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 12:30, 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 12:30, 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 12:30, 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 12:30, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 12, 2016 12:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
161212-006IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:45, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0049 mg/l , sample collected Dec 12, 2016 12:45, 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 12:45, sampling point TF103 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 12:45, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.384 mg/l , sample collected Dec 12, 2016 12:45, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
0.257 ug/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Dec 12, 2016 12:45, sampling point TF103 Mercury 1035 EPA method 245.1 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:45, 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 12:45, 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 12:45, 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 12:45, 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 12:45, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016

Routine (10).