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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

MS0650008 , City of Raleigh

42 of the 73 analytes this system has been tested for have been detected at least once, across 346 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 346 samples on record, detections range from October 27, 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 City of Raleigh, 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 Aug 14, 2007 Jul 24, 2023
Lead 1030 Inorganic Chemical 37 of 61 results Aug 14, 2007 Jul 24, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 32 of 32 results Sep 20, 2004 Aug 26, 2025
Fluoride 1025 Inorganic Chemical 32 of 33 results Oct 27, 2003 Mar 24, 2025
TTHM 2950 Organic Chemical 31 of 32 results Sep 20, 2004 Aug 26, 2025
Barium 1010 Inorganic Chemical 30 of 30 results Oct 27, 2003 Mar 24, 2025
Dichloroacetic Acid 2451 Organic Chemical 23 of 23 results Mar 16, 2009 Aug 26, 2025
Trichloroacetic Acid 2452 Organic Chemical 23 of 23 results Mar 16, 2009 Aug 26, 2025
Chloroform 2941 Organic Chemical 23 of 24 results Oct 5, 2006 Aug 26, 2025
Bromodichloromethane 2943 Organic Chemical 21 of 24 results Oct 5, 2006 Aug 26, 2025
Chromium 1020 Inorganic Chemical 15 of 30 results Oct 27, 2003 Mar 24, 2025
Sodium 1052 Inorganic Chemical 12 of 12 results Jun 4, 2009 Jul 23, 2026
Nickel 1036 Inorganic Chemical 11 of 30 results Oct 27, 2003 Mar 24, 2025
Monobromoacetic Acid 2453 Organic Chemical 11 of 23 results Mar 16, 2009 Dec 5, 2017
Nitrate-Nitrite 1038 Inorganic Chemical 9 of 66 results Mar 30, 2011 May 10, 2021
Nitrate 1040 Inorganic Chemical 9 of 66 results Mar 30, 2011 May 10, 2021
Sulfate 1055 Inorganic Chemical 9 of 9 results Oct 27, 2003 Jun 4, 2009
Xylenes, Total 2955 Organic Chemical 6 of 80 results Dec 7, 2004 Oct 17, 2022
Monochloroacetic Acid 2450 Organic Chemical 5 of 23 results Dec 14, 2009 Jul 11, 2018
Carbon Tetrachloride 2982 Organic Chemical 5 of 80 results Jun 10, 2004 Oct 3, 2012
Ethylbenzene 2992 Organic Chemical 3 of 80 results Dec 7, 2004 Oct 17, 2022
Calcium 1016 Inorganic Chemical 3 of 3 results Jun 4, 2009 Jun 4, 2009
Potassium 1042 Inorganic Chemical 3 of 3 results Jun 4, 2009 Jun 4, 2009
Residue, Total, Filterable 1057 Water Quality 3 of 3 results Jun 4, 2009 Jun 4, 2009
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Jun 4, 2009 Jun 4, 2009
Carbon Dioxide 1901 Water Quality 3 of 3 results Jun 4, 2009 Jun 4, 2009
Color 1905 Water Quality 3 of 3 results Jun 4, 2009 Jun 4, 2009
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Jun 4, 2009 Jun 4, 2009
PH 1925 Water Quality 3 of 3 results Jun 4, 2009 Jun 4, 2009
Alkalinity, Total 1927 Water Quality 3 of 3 results Jun 4, 2009 Jun 4, 2009
Iron, Field Result FEFD Inorganic Chemical 3 of 3 results Jun 4, 2009 Jun 4, 2009
Calculated Sodium NACA Water Quality 3 of 3 results Jun 4, 2009 Jun 4, 2009
PH, Field Result PHFD Water Quality 3 of 3 results Jun 4, 2009 Jun 4, 2009
Dichloromethane 2964 Organic Chemical 3 of 80 results Aug 30, 2004 Aug 20, 2008
Dibromoacetic Acid 2454 Organic Chemical 2 of 23 results Sep 16, 2009 Jun 22, 2011
Nitrite 1041 Inorganic Chemical 2 of 66 results Aug 2, 2006 Aug 2, 2006
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 1 result Oct 1, 2019 Oct 1, 2019
Radium-226 4020 Radionuclide 1 of 1 result Oct 1, 2019 Oct 1, 2019
Radium-228 4030 Radionuclide 1 of 1 result Oct 1, 2019 Oct 1, 2019
Tetrachloroethylene 2987 Organic Chemical 1 of 80 results Aug 20, 2008 Aug 20, 2008
Toluene 2991 Organic Chemical 1 of 80 results Aug 20, 2008 Aug 20, 2008
Cyanide 1024 Inorganic Chemical 1 of 30 results Apr 20, 2005 Apr 20, 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 41–50 of 346 samples, newest first — collected March 13, 2023 to July 24, 2023. The summary above covers all 346.

22 results from the 10 samples listed here: 11 detected, 11 not detected. Across the whole record it is 457 of 2,724. 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 8 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.

Chemical and radiological sample results for City of Raleigh, every result from 41 to 50 of 346 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 24, 2023 06:30
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-230725-047
Laboratory
MSDH Lab
0.0082 mg/l , sample collected Jul 24, 2023 06:30, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.7 ug/l , sample collected Jul 24, 2023 06:30, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 24, 2023 06:45
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-230725-046
Laboratory
MSDH Lab
0.181 mg/l , sample collected Jul 24, 2023 06:45, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 24, 2023 06:45, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 24, 2023 06:15
Sampling point
LC0018 Location withheld
Sample type
Routine
Lab sample
PB-230725-045
Laboratory
MSDH Lab
0.111 mg/l , sample collected Jul 24, 2023 06:15, sampling point LC0018 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 24, 2023 06:15, sampling point LC0018 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 24, 2023 06:30
Sampling point
LC0010 Location withheld
Sample type
Routine
Lab sample
PB-230725-044
Laboratory
MSDH Lab
0.0404 mg/l , sample collected Jul 24, 2023 06:30, sampling point LC0010 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 24, 2023 06:30, sampling point LC0010 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 24, 2023 07:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-230725-043
Laboratory
MSDH Lab
0.246 mg/l , sample collected Jul 24, 2023 07:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.7 ug/l , sample collected Jul 24, 2023 07:00, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 24, 2023 06:00
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-230725-042
Laboratory
MSDH Lab
0.0978 mg/l , sample collected Jul 24, 2023 06:00, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.9 ug/l , sample collected Jul 24, 2023 06:00, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 24, 2023 05:30
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-230725-040
Laboratory
MSDH Lab
0.0756 mg/l , sample collected Jul 24, 2023 05:30, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 24, 2023 05:30, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 23, 2023 08:45
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-230725-041
Laboratory
MSDH Lab
0.0685 mg/l , sample collected Jul 23, 2023 08:45, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2023 08:45, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Mar 13, 2023 15:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-230314-033
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 13, 2023 15:50, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 13, 2023 15:50, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 13, 2023 15:50, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Mar 13, 2023 15:36
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-230314-032
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 13, 2023 15:36, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 13, 2023 15:36, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 13, 2023 15:36, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023

Routine (10).