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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

MS0650001 , Center Ridge Water Association

35 of the 70 analytes this system has been tested for have been detected at least once, across 229 samples on record.

The other 35 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 229 samples on record, detections range from October 27, 2003 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 Center Ridge 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 60 of 60 results Aug 20, 2007 Jul 26, 2023
Lead 1030 Inorganic Chemical 56 of 60 results Aug 20, 2007 Jul 26, 2023
Barium 1010 Inorganic Chemical 24 of 24 results Oct 27, 2003 Jul 27, 2026
TTHM 2950 Organic Chemical 18 of 18 results Aug 16, 2004 Mar 2, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 17 of 18 results Sep 10, 2007 May 19, 2026
Fluoride 1025 Inorganic Chemical 15 of 25 results Nov 15, 2004 Jul 27, 2026
Chromium 1020 Inorganic Chemical 14 of 24 results Oct 27, 2003 May 13, 2019
Dichloroacetic Acid 2451 Organic Chemical 13 of 13 results Jul 7, 2010 May 19, 2026
Trichloroacetic Acid 2452 Organic Chemical 13 of 13 results Jul 7, 2010 May 19, 2026
Chloroform 2941 Organic Chemical 13 of 13 results Sep 10, 2007 Mar 2, 2026
Bromodichloromethane 2943 Organic Chemical 13 of 13 results Sep 10, 2007 Mar 2, 2026
Dibromochloromethane 2944 Organic Chemical 13 of 13 results Sep 10, 2007 Mar 2, 2026
Sodium 1052 Inorganic Chemical 7 of 7 results Jun 4, 2009 Jul 27, 2026
Nickel 1036 Inorganic Chemical 4 of 22 results Feb 8, 2010 May 13, 2013
Sulfate 1055 Inorganic Chemical 4 of 4 results Oct 27, 2003 Jun 4, 2009
Monobromoacetic Acid 2453 Organic Chemical 2 of 13 results Jul 7, 2010 Dec 7, 2016
Xylenes, Total 2955 Organic Chemical 1 of 28 results Oct 17, 2022 Oct 17, 2022
Ethylbenzene 2992 Organic Chemical 1 of 28 results Oct 17, 2022 Oct 17, 2022
Monochloroacetic Acid 2450 Organic Chemical 1 of 13 results Dec 7, 2016 Dec 7, 2016
Calcium 1016 Inorganic Chemical 1 of 1 result Jun 4, 2009 Jun 4, 2009
Magnesium 1031 Inorganic Chemical 1 of 1 result Jun 4, 2009 Jun 4, 2009
Manganese 1032 Inorganic Chemical 1 of 1 result Jun 4, 2009 Jun 4, 2009
Potassium 1042 Inorganic Chemical 1 of 1 result Jun 4, 2009 Jun 4, 2009
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Jun 4, 2009 Jun 4, 2009
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Jun 4, 2009 Jun 4, 2009
Carbon Dioxide 1901 Water Quality 1 of 1 result Jun 4, 2009 Jun 4, 2009
Color 1905 Water Quality 1 of 1 result Jun 4, 2009 Jun 4, 2009
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Jun 4, 2009 Jun 4, 2009
PH 1925 Water Quality 1 of 1 result Jun 4, 2009 Jun 4, 2009
Alkalinity, Total 1927 Water Quality 1 of 1 result Jun 4, 2009 Jun 4, 2009
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Jun 4, 2009 Jun 4, 2009
Calculated Sodium NACA Water Quality 1 of 1 result Jun 4, 2009 Jun 4, 2009
PH, Field Result PHFD Water Quality 1 of 1 result Jun 4, 2009 Jun 4, 2009
Nitrate 1040 Inorganic Chemical 1 of 48 results Aug 7, 2006 Aug 7, 2006
Selenium 1045 Inorganic Chemical 1 of 24 results Mar 29, 2004 Mar 29, 2004

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 229 samples, newest first — collected May 13, 2013 to August 26, 2014. The summary above covers all 229.

54 results from the 10 samples listed here: 20 detected, 34 not detected. Across the whole record it is 305 of 1,334. 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 Center Ridge Water Association, every result from 111 to 120 of 229 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 26, 2014 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140829-099PB
Laboratory
MSDH Lab
0.1092 mg/l , sample collected Aug 26, 2014 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0011 mg/l , sample collected Aug 26, 2014 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
May 19, 2014 12:30
Sampling point
TF104
Sample type
Routine
Lab sample
140520-044NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 19, 2014 12:30, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 19, 2014 12:30, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 19, 2014 12:30, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
May 19, 2014 12:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
140520-034NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 19, 2014 12:15, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 19, 2014 12:15, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 19, 2014 12:15, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Sep 3, 2013 12:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130904-028TH
Laboratory
MSDH Lab
7.79 ug/l , sample collected Sep 3, 2013 12:30, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 3, 2013 12:30, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
4.27 ug/l , sample collected Sep 3, 2013 12:30, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
2.08 ug/l , sample collected Sep 3, 2013 12:30, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
14.14 ug/l , sample collected Sep 3, 2013 12:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Sep 3, 2013 12:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130904-028HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 3, 2013 12:30, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Sep 3, 2013 12:30, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Sep 3, 2013 12:30, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 3, 2013 12:30, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 3, 2013 12:30, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Sep 3, 2013 12:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Dec 31, 2013
Collected
Aug 19, 2013 12:30
Sampling point
TF104
Sample type
Routine
Lab sample
130820-046CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 19, 2013 12:30, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Aug 19, 2013 12:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
130820-045CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 19, 2013 12:15, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
May 13, 2013 01:10
Sampling point
TF104
Sample type
Routine
Lab sample
130514-069IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:10, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0098 mg/l , sample collected May 13, 2013 01:10, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:10, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.001 mg/l , sample collected May 13, 2013 01:10, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.865 mg/l , sample collected May 13, 2013 01:10, sampling point TF104 Fluoride 1025 EPA method 300.0 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:10, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0025 mg/l , sample collected May 13, 2013 01:10, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:10, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:10, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:10, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:10, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 13, 2013 01:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130514-068IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:20, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0087 mg/l , sample collected May 13, 2013 01:20, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:20, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0006 mg/l , sample collected May 13, 2013 01:20, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.407 mg/l , sample collected May 13, 2013 01:20, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:20, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0031 mg/l , sample collected May 13, 2013 01:20, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:20, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:20, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:20, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 01:20, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 13, 2013 12:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
130514-067IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 12:45, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0087 mg/l , sample collected May 13, 2013 12:45, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 12:45, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 12:45, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.87 mg/l , sample collected May 13, 2013 12:45, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 12:45, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0026 mg/l , sample collected May 13, 2013 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 May 13, 2013 12:45, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 12:45, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 12:45, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 12:45, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013

Routine (10).