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; the list of samples further down is narrowed.
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.
| 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 |
Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The most recent samples, result by result
The table below lists 1–10 of 20 samples, newest first — collected September 17, 2025 to September 17, 2025. The summary above covers all 20.
20 results from the 10 samples listed here: 11 detected, 9 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.
We withheld the location of 10 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.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| 0.0022 mg/l , sample collected Sep 17, 2025 06:35, sampling point LC0011 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 06:35, sampling point LC0011 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| 0.0021 mg/l , sample collected Sep 17, 2025 06:00, sampling point LC0012 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 06:00, sampling point LC0012 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| 0.0016 mg/l , sample collected Sep 17, 2025 06:00, sampling point LC0015 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 06:00, sampling point LC0015 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| 0.0063 mg/l , sample collected Sep 17, 2025 06:30, sampling point LC0013 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 06:30, sampling point LC0013 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| 0.002 mg/l , sample collected Sep 17, 2025 05:30, sampling point LC0008 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 05:30, sampling point LC0008 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| 0.0068 mg/l , sample collected Sep 17, 2025 07:00, sampling point LC0009 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| 0.5 ug/l , sample collected Sep 17, 2025 07:00, sampling point LC0009 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| 0.0017 mg/l , sample collected Sep 17, 2025 06:40, sampling point LC0005 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 06:40, sampling point LC0005 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| 0.0019 mg/l , sample collected Sep 17, 2025 07:00, sampling point LC0014 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 07:00, sampling point LC0014 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| 0.0019 mg/l , sample collected Sep 17, 2025 07:05, sampling point LC0018 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 07:05, sampling point LC0018 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| 0.0031 mg/l , sample collected Sep 17, 2025 06:35, sampling point LC0003 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 06:35, sampling point LC0003 | Lead 1030 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
-
- Collected
- Sep 17, 2025 06:35
- Sampling point
- LC0011 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-096
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0022 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 17, 2025 06:00
- Sampling point
- LC0012 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-095
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0021 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 17, 2025 06:00
- Sampling point
- LC0015 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-094
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0016 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 17, 2025 06:30
- Sampling point
- LC0013 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-093
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0063 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 17, 2025 05:30
- Sampling point
- LC0008 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-092
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.002 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 17, 2025 07:00
- Sampling point
- LC0009 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-091
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0068 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.5 ug/l
-
- Collected
- Sep 17, 2025 06:40
- Sampling point
- LC0005 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-090
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0017 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 17, 2025 07:00
- Sampling point
- LC0014 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-089
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0019 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 17, 2025 07:05
- Sampling point
- LC0018 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-088
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0019 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 17, 2025 06:35
- Sampling point
- LC0003 Location withheld
- Sample type
- Routine
- Lab sample
- PB-250918-087
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0031 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
Routine (10).