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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

MS0140011 , Rena Lara Water Association

26 of the 57 analytes this system has been tested for have been detected at least once, across 247 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 247 samples on record, detections range from November 4, 1993 to September 17, 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 Rena Lara 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 89 of 95 results Nov 4, 1993 Sep 17, 2025
Lead 1030 Inorganic Chemical 80 of 95 results Nov 4, 1993 Sep 17, 2025
Barium 1010 Inorganic Chemical 24 of 24 results May 14, 2002 Feb 3, 2025
Fluoride 1025 Inorganic Chemical 22 of 22 results May 14, 2002 Feb 3, 2025
Chromium 1020 Inorganic Chemical 21 of 24 results May 14, 2002 Feb 3, 2025
Arsenic 1005 Inorganic Chemical 19 of 24 results Mar 24, 2004 Feb 3, 2025
Selenium 1045 Inorganic Chemical 18 of 24 results May 14, 2002 Feb 3, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 16 of 17 results Jul 23, 2007 Mar 18, 2025
TTHM 2950 Organic Chemical 16 of 16 results May 17, 2004 Mar 18, 2025
Dibromoacetic Acid 2454 Organic Chemical 8 of 8 results Aug 18, 2008 Aug 3, 2020
Chloroform 2941 Organic Chemical 8 of 8 results Jul 23, 2007 Jun 26, 2018
Bromodichloromethane 2943 Organic Chemical 8 of 8 results Jul 23, 2007 Jun 26, 2018
Dichloroacetic Acid 2451 Organic Chemical 7 of 8 results Aug 18, 2008 Aug 3, 2020
Trichloroacetic Acid 2452 Organic Chemical 7 of 8 results Aug 18, 2008 Aug 3, 2020
Bromoform 2942 Organic Chemical 7 of 8 results Jul 23, 2007 Jun 26, 2018
Dibromochloromethane 2944 Organic Chemical 7 of 8 results Jul 23, 2007 Jun 26, 2018
Nickel 1036 Inorganic Chemical 7 of 24 results Mar 21, 2005 Apr 21, 2014
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Dec 7, 2011 Jul 11, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 10 results Dec 7, 2011 Jul 11, 2012
Radium-226 4020 Radionuclide 5 of 10 results Dec 7, 2011 Jul 11, 2012
Thallium, Total 1085 Inorganic Chemical 3 of 24 results May 14, 2002 Apr 22, 2020
Monobromoacetic Acid 2453 Organic Chemical 2 of 8 results Aug 20, 2014 Aug 3, 2020
Sodium 1052 Inorganic Chemical 2 of 2 results Oct 28, 2019 Oct 28, 2019
Monochloroacetic Acid 2450 Organic Chemical 2 of 8 results Aug 20, 2014 Nov 8, 2017
Cyanide 1024 Inorganic Chemical 1 of 20 results Aug 8, 2011 Aug 8, 2011
Mercury 1035 Inorganic Chemical 1 of 24 results Sep 3, 2003 Sep 3, 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 51–60 of 247 samples, newest first — collected September 25, 2018 to April 22, 2020. The summary above covers all 247.

56 results from the 10 samples listed here: 22 detected, 34 not detected. Across the whole record it is 390 of 1,042. 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 Rena Lara Water Association, every result from 51 to 60 of 247 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
Apr 22, 2020 12:35
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
200423-025IN
Laboratory
MSDH Lab
0.0016 mg/l , sample collected Apr 22, 2020 12:35, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0093 mg/l , sample collected Apr 22, 2020 12:35, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:35, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0014 mg/l , sample collected Apr 22, 2020 12:35, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.329 mg/l , sample collected Apr 22, 2020 12:35, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:35, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:35, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
0.0067 mg/l , sample collected Apr 22, 2020 12:35, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:35, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:35, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0006 mg/l , sample collected Apr 22, 2020 12:35, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Apr 22, 2020 12:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
200423-024IN
Laboratory
MSDH Lab
0.0016 mg/l , sample collected Apr 22, 2020 12:30, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0092 mg/l , sample collected Apr 22, 2020 12:30, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:30, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0011 mg/l , sample collected Apr 22, 2020 12:30, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.338 mg/l , sample collected Apr 22, 2020 12:30, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:30, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:30, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.0064 mg/l , sample collected Apr 22, 2020 12:30, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:30, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 22, 2020 12:30, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0006 mg/l , sample collected Apr 22, 2020 12:30, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Apr 7, 2020 13:00
Sampling point
SMH Bob Topper, Hwy 1
Sample type
Routine
Lab sample
TH-200408-017
Laboratory
MSDH Lab
77.8 ug/l , sample collected Apr 7, 2020 13:00, sampling point SMH TTHM 2950 EPA method 524.2 Jan 1, 2020 – Dec 31, 2020
Collected
Jan 30, 2020 14:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
200131-001NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2020 14:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2020 14:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2020 14:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Oct 28, 2019 13:55
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
680-176175-6
Laboratory
Test America-Savannah
200000 ug/l , sample collected Oct 28, 2019 13:55, sampling point TF103 Sodium 1052 EPA method 200.7 Not recorded
Collected
Oct 28, 2019 13:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
680-176175-5
Laboratory
Test America-Savannah
200000 ug/l , sample collected Oct 28, 2019 13:45, sampling point TF102 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 5, 2019 14:55
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190206-039NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2019 14:55, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 5, 2019 14:55, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 5, 2019 14:55, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Feb 5, 2019 15:05
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
190206-037NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2019 15:05, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 5, 2019 15:05, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 5, 2019 15:05, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Sep 25, 2018 03:20
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
180926-011IN
Laboratory
MSDH Lab
0.001 mg/l , sample collected Sep 25, 2018 03:20, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0269 mg/l , sample collected Sep 25, 2018 03:20, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:20, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:20, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.298 mg/l , sample collected Sep 25, 2018 03:20, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:20, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:20, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:20, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:20, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:20, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:20, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Sep 25, 2018 03:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
180926-010IN
Laboratory
MSDH Lab
0.0009 mg/l , sample collected Sep 25, 2018 03:15, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0326 mg/l , sample collected Sep 25, 2018 03:15, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:15, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0031 mg/l , sample collected Sep 25, 2018 03:15, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.294 mg/l , sample collected Sep 25, 2018 03:15, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:15, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:15, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:15, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:15, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:15, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 25, 2018 03:15, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019

Routine (10).