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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

MS0240005 , City of Long Beach

42 of the 74 analytes this system has been tested for have been detected at least once, across 1,032 samples on record.

The other 32 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 1,032 samples on record, detections range from December 31, 1992 to July 29, 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 Long Beach, 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 328 of 413 results Dec 31, 1992 Jun 19, 2024
Lead 1030 Inorganic Chemical 246 of 413 results Dec 31, 1992 Jun 19, 2024
Fluoride 1025 Inorganic Chemical 98 of 98 results Sep 22, 2003 Jul 29, 2026
Barium 1010 Inorganic Chemical 90 of 90 results Sep 22, 2003 Dec 3, 2025
Chromium 1020 Inorganic Chemical 57 of 90 results Feb 2, 2004 Dec 3, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 33 of 55 results Mar 23, 2006 Jun 24, 2026
TTHM 2950 Organic Chemical 33 of 53 results Mar 8, 2004 Jun 24, 2026
Sodium 1052 Inorganic Chemical 29 of 29 results Mar 22, 2010 Jul 29, 2026
Nickel 1036 Inorganic Chemical 26 of 90 results Mar 7, 2005 Apr 26, 2022
Sulfate 1055 Inorganic Chemical 20 of 20 results Sep 22, 2003 Mar 22, 2010
Dichloroacetic Acid 2451 Organic Chemical 19 of 34 results Jun 24, 2008 Jun 24, 2026
Chloroform 2941 Organic Chemical 19 of 35 results Jul 24, 2006 Jun 24, 2026
Selenium 1045 Inorganic Chemical 17 of 90 results Mar 7, 2005 Feb 6, 2006
Cadmium 1015 Inorganic Chemical 13 of 90 results Mar 7, 2005 Feb 6, 2006
Bromodichloromethane 2943 Organic Chemical 10 of 35 results Jun 29, 2009 Jun 24, 2026
Trichloroacetic Acid 2452 Organic Chemical 7 of 34 results Jul 20, 2011 Jun 24, 2026
Dibromochloromethane 2944 Organic Chemical 6 of 35 results Aug 10, 2010 Jun 24, 2026
Nitrate 1040 Inorganic Chemical 4 of 186 results May 12, 2004 Apr 27, 2021
Cyanide 1024 Inorganic Chemical 3 of 85 results Sep 28, 2011 Aug 20, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 186 results May 12, 2004 Apr 27, 2021
Radium-226 4020 Radionuclide 3 of 27 results Mar 28, 2018 Mar 28, 2018
Monochloroacetic Acid 2450 Organic Chemical 3 of 34 results Oct 14, 2013 Jul 31, 2017
Gross Alpha, Incl. Radon & U 4002 Radionuclide 2 of 7 results Mar 28, 2018 Mar 28, 2018
Nitrite 1041 Inorganic Chemical 2 of 186 results Aug 14, 2006 May 19, 2008
Dibromoacetic Acid 2454 Organic Chemical 1 of 34 results Jun 3, 2019 Jun 3, 2019
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 27 results Mar 28, 2018 Mar 28, 2018
Radium-228 4030 Radionuclide 1 of 27 results Mar 28, 2018 Mar 28, 2018
Arsenic 1005 Inorganic Chemical 1 of 90 results Apr 7, 2014 Apr 7, 2014
Gross Alpha Particle Activity 4109 Radionuclide 1 of 22 results Sep 10, 2012 Sep 10, 2012
Calcium 1016 Inorganic Chemical 1 of 1 result Mar 22, 2010 Mar 22, 2010
Chloride 1017 Inorganic Chemical 1 of 1 result Mar 22, 2010 Mar 22, 2010
Magnesium 1031 Inorganic Chemical 1 of 1 result Mar 22, 2010 Mar 22, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result Mar 22, 2010 Mar 22, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result Mar 22, 2010 Mar 22, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Mar 22, 2010 Mar 22, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Mar 22, 2010 Mar 22, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result Mar 22, 2010 Mar 22, 2010
Color 1905 Water Quality 1 of 1 result Mar 22, 2010 Mar 22, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Mar 22, 2010 Mar 22, 2010
Alkalinity, Total 1927 Water Quality 1 of 1 result Mar 22, 2010 Mar 22, 2010
Calculated Sodium NACA Water Quality 1 of 1 result Mar 22, 2010 Mar 22, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Mar 22, 2010 Mar 22, 2010

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 701–710 of 1,032 samples, newest first — collected January 30, 2006 to February 6, 2006. The summary above covers all 1,032.

76 results from the 10 samples listed here: 33 detected, 43 not detected. Across the whole record it is 1,089 of 4,909. 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 City of Long Beach, every result from 701 to 710 of 1,032 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
Feb 6, 2006
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
060207-054IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.007124 mg/l , sample collected Feb 6, 2006, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000134 mg/l , sample collected Feb 6, 2006, sampling point TF105 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000689 mg/l , sample collected Feb 6, 2006, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.165972 mg/l , sample collected Feb 6, 2006, sampling point TF105 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF105 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
0.000864 mg/l , sample collected Feb 6, 2006, sampling point TF105 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF105 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF105 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF105 Uranium-238 4009 Not recorded
Collected
Feb 6, 2006
Sampling point
TF112 Treatment Plant T112
Sample type
Routine
Lab sample
060207-024IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF112 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.013509 mg/l , sample collected Feb 6, 2006, sampling point TF112 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000124 mg/l , sample collected Feb 6, 2006, sampling point TF112 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.002012 mg/l , sample collected Feb 6, 2006, sampling point TF112 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.230669 mg/l , sample collected Feb 6, 2006, sampling point TF112 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF112 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000542 mg/l , sample collected Feb 6, 2006, sampling point TF112 Nickel 1036 EPA method 200.8 Not recorded
0.001332 mg/l , sample collected Feb 6, 2006, sampling point TF112 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF112 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF112 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF112 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF112 Uranium-238 4009 Not recorded
Collected
Feb 6, 2006
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
060207-025IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF107 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.060778 mg/l , sample collected Feb 6, 2006, sampling point TF107 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000141 mg/l , sample collected Feb 6, 2006, sampling point TF107 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.001113 mg/l , sample collected Feb 6, 2006, sampling point TF107 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.122715 mg/l , sample collected Feb 6, 2006, sampling point TF107 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF107 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000538 mg/l , sample collected Feb 6, 2006, sampling point TF107 Nickel 1036 EPA method 200.8 Not recorded
0.001084 mg/l , sample collected Feb 6, 2006, sampling point TF107 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF107 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF107 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF107 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF107 Uranium-238 4009 Not recorded
Collected
Feb 6, 2006
Sampling point
TF113 Treatment Plant T113
Sample type
Routine
Lab sample
060207-057IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF113 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.009202 mg/l , sample collected Feb 6, 2006, sampling point TF113 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000112 mg/l , sample collected Feb 6, 2006, sampling point TF113 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.001246 mg/l , sample collected Feb 6, 2006, sampling point TF113 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.226716 mg/l , sample collected Feb 6, 2006, sampling point TF113 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF113 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF113 Nickel 1036 EPA method 200.8 Not recorded
0.001242 mg/l , sample collected Feb 6, 2006, sampling point TF113 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF113 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF113 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF113 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF113 Uranium-238 4009 Not recorded
Collected
Feb 6, 2006
Sampling point
TF110 Treatment Plant T110
Sample type
Routine
Lab sample
060207-027IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF110 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.002509 mg/l , sample collected Feb 6, 2006, sampling point TF110 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000146 mg/l , sample collected Feb 6, 2006, sampling point TF110 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.001579 mg/l , sample collected Feb 6, 2006, sampling point TF110 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.153752 mg/l , sample collected Feb 6, 2006, sampling point TF110 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF110 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000558 mg/l , sample collected Feb 6, 2006, sampling point TF110 Nickel 1036 EPA method 200.8 Not recorded
0.000884 mg/l , sample collected Feb 6, 2006, sampling point TF110 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF110 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF110 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF110 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF110 Uranium-238 4009 Not recorded
Collected
Feb 6, 2006
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
060207-056IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.018708 mg/l , sample collected Feb 6, 2006, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000126 mg/l , sample collected Feb 6, 2006, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000775 mg/l , sample collected Feb 6, 2006, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.169359 mg/l , sample collected Feb 6, 2006, sampling point TF104 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
0.001017 mg/l , sample collected Feb 6, 2006, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF104 Uranium-238 4009 Not recorded
Collected
Jan 30, 2006
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
060131-108CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jan 30, 2006, sampling point TF107 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
Jan 30, 2006
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
060131-004CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jan 30, 2006, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
Jan 30, 2006
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
060131-030CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jan 30, 2006, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
Jan 30, 2006
Sampling point
TF111 Treatment Plant T111
Sample type
Routine
Lab sample
060131-007CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jan 30, 2006, sampling point TF111 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007

Routine (10).