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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 531–540 of 1,032 samples, newest first — collected August 12, 2009 to June 1, 2010. The summary above covers all 1,032.

40 results from the 10 samples listed here: 22 detected, 18 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 531 to 540 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
Jun 1, 2010
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
100602-089NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Jun 1, 2010
Sampling point
TF112 Treatment Plant T112
Sample type
Routine
Lab sample
100602-087NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF112 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF112 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF112 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Jun 1, 2010
Sampling point
TF109 Treatment Plant T109
Sample type
Routine
Lab sample
100602-083NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF109 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF109 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF109 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Jun 1, 2010
Sampling point
TF110 Treatment Plant T110
Sample type
Routine
Lab sample
100602-082NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF110 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF110 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF110 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Mar 22, 2010
Sampling point
WL013 Well W013
Sample type
Routine
Lab sample
100323-001PC
Laboratory
MSDH Lab
1.69 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Calcium 1016 EPA method 200.8 Not recorded
27.9 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Chloride 1017 EPA method 300.0 Not recorded
0.282 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Fluoride 1025 EPA method 380-75WE Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 22, 2010, sampling point WL013 Iron 1028 EPA method 200.8 Not recorded
0.1 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Magnesium 1031 EPA method 200.8 Not recorded
0.011 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Manganese 1032 EPA method 200.8 Not recorded
0.672 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Potassium 1042 EPA method 200.8 Not recorded
84.6 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Sodium 1052 EPA method 200.8 Not recorded
9.67 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Sulfate 1055 EPA method 300.0 Not recorded
219 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Residue, Total, Filterable 1057 EPA method CALCUL LAB Not recorded
7.84 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Alkalinity, Caco3 Stability 1067 EPA method 2320B Not recorded
0 mg/l This result is recorded as a detection, and the figure the agency wrote — "0" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Carbon Dioxide 1901 EPA method CALCUL LAB Not recorded
25 units The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Color 1905 EPA method 2120B Not recorded
3.9 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Hardness, Total (As Caco3) 1915 EPA method CALCUL LAB Not recorded
172 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Alkalinity, Total 1927 EPA method 2320B Not recorded
99.9 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 Calculated Sodium NACA EPA method CALCUL LAB Not recorded
8.7 ph The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Mar 22, 2010, sampling point WL013 PH, Field Result PHFD EPA method 3500AL-D Not recorded
Collected
Oct 19, 2009
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
091020-024NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Oct 19, 2009, sampling point TF107 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Oct 19, 2009, sampling point TF107 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Oct 19, 2009, sampling point TF107 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
Aug 12, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090813-127PB
Laboratory
MSDH Lab
0.0583 mg/l , sample collected Aug 12, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0006 mg/l , sample collected Aug 12, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 12, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090813-131PB
Laboratory
MSDH Lab
0.1539 mg/l , sample collected Aug 12, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 12, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 12, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090813-130PB
Laboratory
MSDH Lab
0.0126 mg/l , sample collected Aug 12, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 12, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 12, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090813-129PB
Laboratory
MSDH Lab
0.1318 mg/l , sample collected Aug 12, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.007 mg/l , sample collected Aug 12, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010

Routine (10).