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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

MS0530018 , Chapel Hill-Pleasant Grove W/A

18 of the 57 analytes this system has been tested for have been detected at least once, across 213 samples on record.

The other 39 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 213 samples on record, detections range from October 13, 2003 to July 30, 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 Chapel Hill-Pleasant Grove W/A, 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 63 of 63 results Aug 14, 2007 Sep 12, 2023
Barium 1010 Inorganic Chemical 22 of 22 results Oct 13, 2003 Jul 30, 2026
Fluoride 1025 Inorganic Chemical 20 of 22 results Oct 13, 2003 Jul 30, 2026
Lead 1030 Inorganic Chemical 15 of 63 results Aug 14, 2007 Jul 11, 2017
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 7, 2011 Jul 10, 2012
Chromium 1020 Inorganic Chemical 7 of 22 results Oct 13, 2003 Mar 7, 2016
Nitrate-Nitrite 1038 Inorganic Chemical 6 of 43 results Aug 24, 2005 Mar 25, 2025
Nitrate 1040 Inorganic Chemical 6 of 43 results Aug 24, 2005 Mar 25, 2025
Nickel 1036 Inorganic Chemical 5 of 20 results Mar 15, 2004 Apr 29, 2013
Selenium 1045 Inorganic Chemical 5 of 22 results Mar 15, 2004 Mar 20, 2006
Sodium 1052 Inorganic Chemical 4 of 4 results Sep 26, 2019 Jul 30, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 21 results Aug 29, 2007 Sep 30, 2020
TTHM 2950 Organic Chemical 3 of 21 results Jul 19, 2004 Jun 14, 2010
Monobromoacetic Acid 2453 Organic Chemical 1 of 15 results Sep 30, 2020 Sep 30, 2020
Bromoform 2942 Organic Chemical 1 of 16 results Aug 29, 2007 Aug 29, 2007
Bromodichloromethane 2943 Organic Chemical 1 of 16 results Aug 29, 2007 Aug 29, 2007
Dibromochloromethane 2944 Organic Chemical 1 of 16 results Aug 29, 2007 Aug 29, 2007
Arsenic 1005 Inorganic Chemical 1 of 22 results Apr 4, 2005 Apr 4, 2005

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 141–150 of 213 samples, newest first — collected August 22, 2011 to August 22, 2011. The summary above covers all 213.

20 results from the 10 samples listed here: 15 detected, 5 not detected. Across the whole record it is 174 of 1,048. 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 Chapel Hill-Pleasant Grove W/A, every result from 141 to 150 of 213 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 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-059PB
Laboratory
MSDH Lab
0.002 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-061PB
Laboratory
MSDH Lab
0.0589 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0007 mg/l , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-063PB
Laboratory
MSDH Lab
0.0905 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0006 mg/l , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-062PB
Laboratory
MSDH Lab
0.0297 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-060PB
Laboratory
MSDH Lab
0.0849 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-011PB
Laboratory
MSDH Lab
0.0088 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-010PB
Laboratory
MSDH Lab
0.0894 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0013 mg/l , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-009PB
Laboratory
MSDH Lab
0.0134 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-008PB
Laboratory
MSDH Lab
0.0499 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0009 mg/l , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 22, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110824-007PB
Laboratory
MSDH Lab
0.0611 mg/l , sample collected Aug 22, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0005 mg/l , sample collected Aug 22, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011

Routine (10).