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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

MS0400002 , Edinburg Domestic Water Association

23 of the 58 analytes this system has been tested for have been detected at least once, across 259 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 259 samples on record, detections range from October 1, 2003 to June 2, 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 Edinburg Domestic 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 61 of 61 results Jul 31, 2007 Aug 30, 2023
Lead 1030 Inorganic Chemical 29 of 61 results Jul 31, 2007 Aug 30, 2023
Barium 1010 Inorganic Chemical 25 of 25 results Oct 1, 2003 Mar 12, 2025
TTHM 2950 Organic Chemical 18 of 22 results Jun 28, 2004 Jun 2, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 13 of 23 results Aug 15, 2007 Jun 2, 2025
Chloroform 2941 Organic Chemical 13 of 17 results Aug 15, 2007 Jun 2, 2025
Bromodichloromethane 2943 Organic Chemical 10 of 17 results Aug 15, 2007 Jun 2, 2025
Chromium 1020 Inorganic Chemical 10 of 25 results Oct 1, 2003 Jul 11, 2023
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Feb 5, 2012 Oct 4, 2012
Dichloroacetic Acid 2451 Organic Chemical 7 of 16 results Sep 29, 2009 Jun 2, 2025
Trichloroacetic Acid 2452 Organic Chemical 7 of 16 results Sep 29, 2009 Jun 2, 2025
Dibromochloromethane 2944 Organic Chemical 7 of 17 results Sep 29, 2009 Jun 2, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 24, 2019 Feb 11, 2025
Fluoride 1025 Inorganic Chemical 6 of 25 results Oct 1, 2003 Jul 1, 2024
Sulfate 1055 Inorganic Chemical 4 of 4 results Oct 1, 2003 Mar 1, 2004
Cyanide 1024 Inorganic Chemical 2 of 26 results Jul 11, 2023 Apr 23, 2024
Monobromoacetic Acid 2453 Organic Chemical 2 of 16 results Aug 13, 2019 Sep 14, 2020
Dibromoacetic Acid 2454 Organic Chemical 2 of 16 results Jul 6, 2015 Aug 13, 2019
Dichloromethane 2964 Organic Chemical 2 of 22 results Aug 9, 2004 Aug 9, 2004
Nitrite 1041 Inorganic Chemical 1 of 56 results Apr 9, 2024 Apr 9, 2024
Nickel 1036 Inorganic Chemical 1 of 25 results Apr 1, 2019 Apr 1, 2019
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 56 results Feb 26, 2018 Feb 26, 2018
Nitrate 1040 Inorganic Chemical 1 of 56 results Feb 26, 2018 Feb 26, 2018

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 131–140 of 259 samples, newest first — collected April 19, 2016 to June 27, 2017. The summary above covers all 259.

24 results from the 10 samples listed here: 8 detected, 16 not detected. Across the whole record it is 238 of 1,317. 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 Edinburg Domestic Water Association, every result from 131 to 140 of 259 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
Jun 27, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-028PB
Laboratory
MSDH Lab
0.16 mg/l , sample collected Jun 27, 2017 06:00, 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 Jun 27, 2017 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 27, 2017 07:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-026PB
Laboratory
MSDH Lab
0.3848 mg/l , sample collected Jun 27, 2017 07:15, 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 Jun 27, 2017 07:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 03:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-034PB
Laboratory
MSDH Lab
0.2111 mg/l , sample collected Jun 26, 2017 03:45, 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 Jun 26, 2017 03:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-033PB
Laboratory
MSDH Lab
0.1575 mg/l , sample collected Jun 26, 2017 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.001 mg/l , sample collected Jun 26, 2017 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-027PB
Laboratory
MSDH Lab
0.303 mg/l , sample collected Jun 26, 2017 05:30, 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 Jun 26, 2017 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-021PB
Laboratory
MSDH Lab
0.2999 mg/l , sample collected Jun 26, 2017 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0006 mg/l , sample collected Jun 26, 2017 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Feb 28, 2017 12:27
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
170301-059NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2017 12:27, 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 Feb 28, 2017 12:27, 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 Feb 28, 2017 12:27, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Feb 28, 2017 12:37
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
170301-058NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2017 12:37, 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 Feb 28, 2017 12:37, 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 Feb 28, 2017 12:37, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Apr 19, 2016 13:24
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160420-056NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 19, 2016 13:24, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 19, 2016 13:24, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 19, 2016 13:24, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Apr 19, 2016 13:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160420-053NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 19, 2016 13:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 19, 2016 13:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 19, 2016 13:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016

Routine (10).