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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

MS0610013 , Leesburg Water Association

40 of the 73 analytes this system has been tested for have been detected at least once, across 362 samples on record.

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 362 samples on record, detections range from October 20, 2003 to July 23, 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 Leesburg 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 140 of 140 results Sep 5, 2007 Jul 18, 2025
Lead 1030 Inorganic Chemical 70 of 140 results Sep 5, 2007 Jul 17, 2025
Barium 1010 Inorganic Chemical 30 of 30 results Oct 20, 2003 Mar 24, 2025
Nickel 1036 Inorganic Chemical 16 of 30 results Oct 20, 2003 Oct 20, 2022
TTHM 2950 Organic Chemical 13 of 19 results Aug 9, 2004 Oct 15, 2025
Fluoride 1025 Inorganic Chemical 13 of 33 results May 13, 2013 Mar 24, 2025
Chromium 1020 Inorganic Chemical 13 of 30 results Oct 20, 2003 Apr 2, 2019
Chloroform 2941 Organic Chemical 11 of 14 results Sep 27, 2007 Oct 15, 2025
Bromodichloromethane 2943 Organic Chemical 10 of 14 results Sep 27, 2007 Oct 15, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 15 results Mar 12, 2012 Oct 10, 2012
Sodium 1052 Inorganic Chemical 9 of 9 results Jul 30, 2009 Jul 23, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 19 results Sep 6, 2007 Oct 15, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 9 of 67 results Sep 15, 2010 Mar 19, 2018
Nitrate 1040 Inorganic Chemical 9 of 67 results Sep 15, 2010 Mar 19, 2018
Dibromochloromethane 2944 Organic Chemical 7 of 14 results Jun 29, 2010 Oct 15, 2025
Sulfate 1055 Inorganic Chemical 6 of 6 results Oct 20, 2003 Jul 30, 2009
Dichloroacetic Acid 2451 Organic Chemical 4 of 13 results Sep 4, 2013 Oct 15, 2025
Calcium 1016 Inorganic Chemical 3 of 3 results Jul 30, 2009 Jul 30, 2009
Iron 1028 Inorganic Chemical 3 of 3 results Jul 30, 2009 Jul 30, 2009
Magnesium 1031 Inorganic Chemical 3 of 3 results Jul 30, 2009 Jul 30, 2009
Potassium 1042 Inorganic Chemical 3 of 3 results Jul 30, 2009 Jul 30, 2009
Residue, Total, Filterable 1057 Water Quality 3 of 3 results Jul 30, 2009 Jul 30, 2009
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Jul 30, 2009 Jul 30, 2009
Carbon Dioxide 1901 Water Quality 3 of 3 results Jul 30, 2009 Jul 30, 2009
Color 1905 Water Quality 3 of 3 results Jul 30, 2009 Jul 30, 2009
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Jul 30, 2009 Jul 30, 2009
Alkalinity, Total 1927 Water Quality 3 of 3 results Jul 30, 2009 Jul 30, 2009
Iron, Field Result FEFD Inorganic Chemical 3 of 3 results Jul 30, 2009 Jul 30, 2009
Calculated Sodium NACA Water Quality 3 of 3 results Jul 30, 2009 Jul 30, 2009
PH, Field Result PHFD Water Quality 3 of 3 results Jul 30, 2009 Jul 30, 2009
Trichloroacetic Acid 2452 Organic Chemical 2 of 13 results Sep 10, 2024 Oct 15, 2025
Chloride 1017 Inorganic Chemical 2 of 3 results Jul 30, 2009 Jul 30, 2009
Manganese 1032 Inorganic Chemical 2 of 3 results Jul 30, 2009 Jul 30, 2009
Dichloromethane 2964 Organic Chemical 2 of 24 results Aug 24, 2004 Aug 24, 2004
Monobromoacetic Acid 2453 Organic Chemical 1 of 13 results Oct 13, 2020 Oct 13, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 13 results Dec 8, 2016 Dec 8, 2016
Gross Alpha Particle Activity 4109 Radionuclide 1 of 2 results Sep 24, 2012 Sep 24, 2012
Cyanide 1024 Inorganic Chemical 1 of 30 results Mar 1, 2010 Mar 1, 2010
Mercury 1035 Inorganic Chemical 1 of 30 results Mar 22, 2004 Mar 22, 2004
Selenium 1045 Inorganic Chemical 1 of 30 results Mar 22, 2004 Mar 22, 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 151–160 of 362 samples, newest first — collected July 19, 2016 to July 19, 2016. The summary above covers all 362.

20 results from the 10 samples listed here: 17 detected, 3 not detected. Across the whole record it is 432 of 1,655. 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 Leesburg Water Association, every result from 151 to 160 of 362 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, 2016 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-016PB
Laboratory
MSDH Lab
0.3572 mg/l , sample collected Jul 19, 2016 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 19, 2016 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-015PB
Laboratory
MSDH Lab
0.8216 mg/l , sample collected Jul 19, 2016 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0006 mg/l , sample collected Jul 19, 2016 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-014PB
Laboratory
MSDH Lab
0.1319 mg/l , sample collected Jul 19, 2016 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0006 mg/l , sample collected Jul 19, 2016 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-013PB
Laboratory
MSDH Lab
0.1839 mg/l , sample collected Jul 19, 2016 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0027 mg/l , sample collected Jul 19, 2016 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-012PB
Laboratory
MSDH Lab
0.1111 mg/l , sample collected Jul 19, 2016 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0013 mg/l , sample collected Jul 19, 2016 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 04:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-011PB
Laboratory
MSDH Lab
0.0471 mg/l , sample collected Jul 19, 2016 04:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 19, 2016 04:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 05:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-010PB
Laboratory
MSDH Lab
0.7012 mg/l , sample collected Jul 19, 2016 05:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0007 mg/l , sample collected Jul 19, 2016 05:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-009PB
Laboratory
MSDH Lab
0.0239 mg/l , sample collected Jul 19, 2016 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 19, 2016 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 07:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-008PB
Laboratory
MSDH Lab
0.2412 mg/l , sample collected Jul 19, 2016 07:07, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0007 mg/l , sample collected Jul 19, 2016 07:07, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-006PB
Laboratory
MSDH Lab
0.2828 mg/l , sample collected Jul 19, 2016 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.001 mg/l , sample collected Jul 19, 2016 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016

Routine (10).