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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 381–390 of 1,032 samples, newest first — collected February 10, 2014 to April 7, 2014. The summary above covers all 1,032.

62 results from the 10 samples listed here: 16 detected, 46 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 381 to 390 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
Apr 7, 2014 13:10
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
140408-009IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:10, sampling point TF107 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0725 mg/l , sample collected Apr 7, 2014 13:10, sampling point TF107 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:10, sampling point TF107 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0046 mg/l , sample collected Apr 7, 2014 13:10, sampling point TF107 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.117 mg/l , sample collected Apr 7, 2014 13:10, sampling point TF107 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:10, sampling point TF107 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0014 mg/l , sample collected Apr 7, 2014 13:10, sampling point TF107 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:10, sampling point TF107 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:10, sampling point TF107 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:10, sampling point TF107 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:10, sampling point TF107 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Apr 7, 2014 13:24
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
140408-008IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:24, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0454 mg/l , sample collected Apr 7, 2014 13:24, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:24, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0061 mg/l , sample collected Apr 7, 2014 13:24, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.238 mg/l , sample collected Apr 7, 2014 13:24, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:24, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0014 mg/l , sample collected Apr 7, 2014 13:24, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:24, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:24, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:24, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 13:24, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Apr 7, 2014 12:54
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
140408-007IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:54, sampling point TF106 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0096 mg/l , sample collected Apr 7, 2014 12:54, sampling point TF106 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:54, sampling point TF106 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0056 mg/l , sample collected Apr 7, 2014 12:54, sampling point TF106 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.169 mg/l , sample collected Apr 7, 2014 12:54, sampling point TF106 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:54, sampling point TF106 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0012 mg/l , sample collected Apr 7, 2014 12:54, sampling point TF106 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:54, sampling point TF106 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:54, sampling point TF106 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:54, sampling point TF106 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:54, sampling point TF106 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Apr 7, 2014 12:59
Sampling point
TF110 Treatment Plant T110
Sample type
Routine
Lab sample
140408-006IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:59, sampling point TF110 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0023 mg/l , sample collected Apr 7, 2014 12:59, sampling point TF110 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:59, sampling point TF110 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0027 mg/l , sample collected Apr 7, 2014 12:59, sampling point TF110 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.138 mg/l , sample collected Apr 7, 2014 12:59, sampling point TF110 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:59, sampling point TF110 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0011 mg/l , sample collected Apr 7, 2014 12:59, sampling point TF110 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:59, sampling point TF110 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:59, sampling point TF110 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:59, sampling point TF110 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2014 12:59, sampling point TF110 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Feb 10, 2014 13:48
Sampling point
TF114
Sample type
Routine
Lab sample
140211-030NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 13:48, sampling point TF114 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 10, 2014 13:48, sampling point TF114 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 13:48, sampling point TF114 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Feb 10, 2014 13:12
Sampling point
TF112 Treatment Plant T112
Sample type
Routine
Lab sample
140211-025NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 13:12, sampling point TF112 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 10, 2014 13:12, sampling point TF112 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 13:12, sampling point TF112 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Feb 10, 2014 13:15
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
140211-020NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 13:15, sampling point TF107 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 10, 2014 13:15, sampling point TF107 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 13:15, sampling point TF107 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Feb 10, 2014 12:50
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
140211-018NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 12:50, sampling point TF105 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 10, 2014 12:50, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 12:50, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Feb 10, 2014 12:37
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
140211-017NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 12:37, sampling point TF104 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 10, 2014 12:37, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 12:37, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Feb 10, 2014 12:43
Sampling point
TF113 Treatment Plant T113
Sample type
Routine
Lab sample
140211-016NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 12:43, sampling point TF113 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 10, 2014 12:43, sampling point TF113 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 12:43, sampling point TF113 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014

Routine (10).