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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

MS0250029 , North Hinds W/A #2-Chapel Hill

24 of the 57 analytes this system has been tested for have been detected at least once, across 463 samples on record.

The other 33 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 463 samples on record, detections range from September 2, 1993 to March 9, 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 North Hinds W/A #2-Chapel Hill, 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
Lead 1030 Inorganic Chemical 134 of 135 results Sep 2, 1993 Jul 11, 2023
Copper, Free 1022 Inorganic Chemical 109 of 135 results Sep 2, 1993 Jul 11, 2023
TTHM 2950 Organic Chemical 106 of 106 results Sep 15, 2004 Mar 9, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 104 of 104 results Sep 16, 2004 Sep 8, 2025
Chloroform 2941 Organic Chemical 71 of 71 results Sep 20, 2006 Mar 9, 2026
Bromodichloromethane 2943 Organic Chemical 66 of 71 results Sep 20, 2006 Mar 9, 2026
Dichloroacetic Acid 2451 Organic Chemical 65 of 65 results Oct 11, 2007 Dec 21, 2020
Trichloroacetic Acid 2452 Organic Chemical 65 of 65 results Oct 11, 2007 Dec 21, 2020
Dibromochloromethane 2944 Organic Chemical 31 of 71 results Sep 20, 2006 Oct 21, 2020
Barium 1010 Inorganic Chemical 18 of 18 results Sep 17, 2003 Feb 13, 2025
Fluoride 1025 Inorganic Chemical 18 of 18 results Sep 17, 2003 Feb 13, 2025
Monochloroacetic Acid 2450 Organic Chemical 16 of 65 results Dec 8, 2009 Dec 26, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Mar 6, 2012 Oct 4, 2012
Dibromoacetic Acid 2454 Organic Chemical 8 of 65 results Mar 23, 2016 Dec 26, 2019
Chromium 1020 Inorganic Chemical 8 of 18 results Feb 11, 2004 Mar 2, 2016
Selenium 1045 Inorganic Chemical 6 of 18 results Feb 11, 2004 Feb 7, 2006
Sodium 1052 Inorganic Chemical 4 of 4 results Sep 26, 2019 Feb 9, 2024
Sulfate 1055 Inorganic Chemical 4 of 4 results Sep 17, 2003 Feb 11, 2004
Monobromoacetic Acid 2453 Organic Chemical 3 of 65 results Dec 15, 2016 Sep 12, 2019
Nickel 1036 Inorganic Chemical 3 of 18 results Feb 11, 2004 Dec 17, 2008
Bromoform 2942 Organic Chemical 2 of 71 results Dec 26, 2019 Dec 26, 2019
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 39 results Aug 10, 2005 Aug 10, 2005
Nitrate 1040 Inorganic Chemical 1 of 39 results Aug 10, 2005 Aug 10, 2005
Cadmium 1015 Inorganic Chemical 1 of 18 results Mar 15, 2005 Mar 15, 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 241–250 of 463 samples, newest first — collected October 3, 2012 to July 10, 2014. The summary above covers all 463.

35 results from the 10 samples listed here: 10 detected, 25 not detected. Across the whole record it is 854 of 1,901. 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 North Hinds W/A #2-Chapel Hill, every result from 241 to 250 of 463 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 10, 2014 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140711-058PB
Laboratory
MSDH Lab
0.0118 mg/l , sample collected Jul 10, 2014 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0009 mg/l , sample collected Jul 10, 2014 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Feb 20, 2014 10:35
Sampling point
TF103
Sample type
Routine
Lab sample
140221-009NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 20, 2014 10:35, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 20, 2014 10:35, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 20, 2014 10:35, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Feb 20, 2014 10:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140221-008NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 20, 2014 10:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 20, 2014 10:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 20, 2014 10:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Jun 6, 2013 09:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130607-007TH
Laboratory
MSDH Lab
79.6 ug/l , sample collected Jun 6, 2013 09:10, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 6, 2013 09:10, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
20.7 ug/l , sample collected Jun 6, 2013 09:10, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
4.34 ug/l , sample collected Jun 6, 2013 09:10, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
104.6 ug/l , sample collected Jun 6, 2013 09:10, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Collected
Feb 6, 2013 09:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130208-005NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 6, 2013 09:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 6, 2013 09:30, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 6, 2013 09:30, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Feb 6, 2013 09:35
Sampling point
TF103
Sample type
Routine
Lab sample
130208-003NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 6, 2013 09:35, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 6, 2013 09:35, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 6, 2013 09:35, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Oct 4, 2012 10:20
Sampling point
TF103
Sample type
Routine
Lab sample
201301130203
Laboratory
Radiation Safety Engineering
1.2 pci/l , sample collected Oct 4, 2012 10:20, sampling point TF103 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.469 pci/l Minimum Reporting Level , sample collected Oct 4, 2012 10:20, sampling point TF103 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.469 pci/l Minimum Reporting Level , sample collected Oct 4, 2012 10:20, sampling point TF103 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.41 pci/l Minimum Reporting Level , sample collected Oct 4, 2012 10:20, sampling point TF103 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 4, 2012 10:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
201301130202
Laboratory
Radiation Safety Engineering
0.5 pci/l , sample collected Oct 4, 2012 10:00, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Oct 4, 2012 10:00, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.438 pci/l Minimum Reporting Level , sample collected Oct 4, 2012 10:00, sampling point TF102 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Oct 4, 2012 10:00, sampling point TF102 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 3, 2012 08:00
Sampling point
TF103
Sample type
Routine
Lab sample
121004-062
Laboratory
Radiation Safety Engineering
1.2 pci/l , sample collected Oct 3, 2012 08:00, sampling point TF103 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.469 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 08:00, sampling point TF103 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.469 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 08:00, sampling point TF103 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.41 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 08:00, sampling point TF103 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 3, 2012 08:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
121004-061
Laboratory
Radiation Safety Engineering
0.5 pci/l , sample collected Oct 3, 2012 08:20, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 08:20, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.438 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 08:20, sampling point TF102 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 08:20, sampling point TF102 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012

Routine (10).