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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

MS0300044 , Gulf Park

46 of the 74 analytes this system has been tested for have been detected at least once, across 794 samples on record.

The other 28 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 794 samples on record, detections range from August 12, 2002 to August 12, 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 Gulf Park, 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 142 of 142 results Aug 30, 2007 Oct 15, 2024
TTHM 2950 Organic Chemical 115 of 115 results Sep 8, 2004 Feb 24, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 110 of 111 results Oct 27, 2005 Jun 17, 2026
Chloroform 2941 Organic Chemical 80 of 80 results Sep 20, 2006 Feb 24, 2026
Dichloroacetic Acid 2451 Organic Chemical 76 of 76 results Jan 31, 2008 Jun 17, 2026
Trichloroacetic Acid 2452 Organic Chemical 73 of 76 results Jan 31, 2008 Jun 17, 2026
Fluoride 1025 Inorganic Chemical 73 of 73 results Sep 15, 2003 Apr 14, 2025
Lead 1030 Inorganic Chemical 73 of 142 results Aug 30, 2007 Oct 15, 2024
Bromodichloromethane 2943 Organic Chemical 71 of 80 results Sep 20, 2006 Feb 24, 2026
Barium 1010 Inorganic Chemical 68 of 68 results Sep 15, 2003 Apr 14, 2025
Chromium 1020 Inorganic Chemical 38 of 68 results Sep 15, 2003 Apr 14, 2025
Dibromochloromethane 2944 Organic Chemical 25 of 80 results Sep 20, 2006 Feb 24, 2026
Gross Alpha, Incl. Radon & U 4002 Radionuclide 19 of 20 results Dec 15, 2011 Aug 12, 2026
Sulfate 1055 Inorganic Chemical 17 of 19 results Sep 15, 2003 Dec 2, 2008
Dibromoacetic Acid 2454 Organic Chemical 14 of 76 results Jun 8, 2015 Jun 6, 2019
Sodium 1052 Inorganic Chemical 13 of 13 results Dec 2, 2008 Feb 20, 2024
Bromoform 2942 Organic Chemical 13 of 80 results Sep 20, 2006 Nov 29, 2016
Selenium 1045 Inorganic Chemical 13 of 68 results Feb 23, 2004 Feb 15, 2006
Monochloroacetic Acid 2450 Organic Chemical 10 of 76 results Jan 31, 2008 Dec 12, 2019
Arsenic 1005 Inorganic Chemical 5 of 68 results Mar 16, 2005 Feb 21, 2023
Calcium 1016 Inorganic Chemical 5 of 5 results Dec 2, 2008 Dec 2, 2008
Chloride 1017 Inorganic Chemical 5 of 5 results Dec 2, 2008 Dec 2, 2008
Manganese 1032 Inorganic Chemical 5 of 5 results Dec 2, 2008 Dec 2, 2008
Potassium 1042 Inorganic Chemical 5 of 5 results Dec 2, 2008 Dec 2, 2008
Residue, Total, Filterable 1057 Water Quality 5 of 5 results Dec 2, 2008 Dec 2, 2008
Alkalinity, Caco3 Stability 1067 Water Quality 5 of 5 results Dec 2, 2008 Dec 2, 2008
Carbon Dioxide 1901 Water Quality 5 of 5 results Dec 2, 2008 Dec 2, 2008
Color 1905 Water Quality 5 of 5 results Dec 2, 2008 Dec 2, 2008
Hardness, Total (As Caco3) 1915 Water Quality 5 of 5 results Dec 2, 2008 Dec 2, 2008
PH 1925 Water Quality 5 of 5 results Dec 2, 2008 Dec 2, 2008
Alkalinity, Total 1927 Water Quality 5 of 5 results Dec 2, 2008 Dec 2, 2008
Calculated Sodium NACA Water Quality 5 of 5 results Dec 2, 2008 Dec 2, 2008
PH, Field Result PHFD Water Quality 5 of 5 results Dec 2, 2008 Dec 2, 2008
Cadmium 1015 Inorganic Chemical 5 of 68 results Mar 16, 2005 Mar 16, 2005
Nickel 1036 Inorganic Chemical 4 of 68 results Jan 14, 2009 Apr 14, 2025
Temperature, Field Result TEMP Water Quality 4 of 4 results Dec 2, 2008 Dec 2, 2008
Cyanide 1024 Inorganic Chemical 3 of 71 results Sep 16, 2009 Aug 19, 2025
Xylenes, Total 2955 Organic Chemical 3 of 79 results Aug 12, 2002 Aug 18, 2003
Combined Radium (-226 & -228) 4010 Radionuclide 2 of 20 results Aug 12, 2026 Aug 12, 2026
Radium-226 4020 Radionuclide 2 of 20 results Aug 12, 2026 Aug 12, 2026
Nitrate 1040 Inorganic Chemical 2 of 142 results May 17, 2004 Aug 10, 2005
Magnesium 1031 Inorganic Chemical 1 of 5 results Dec 2, 2008 Dec 2, 2008
Thallium, Total 1085 Inorganic Chemical 1 of 68 results Mar 16, 2005 Mar 16, 2005
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 142 results May 17, 2004 May 17, 2004
Mercury 1035 Inorganic Chemical 1 of 68 results Feb 23, 2004 Feb 23, 2004
Ethylbenzene 2992 Organic Chemical 1 of 79 results Aug 12, 2002 Aug 12, 2002

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 461–470 of 794 samples, newest first — collected May 28, 2013 to June 25, 2013. The summary above covers all 794.

39 results from the 10 samples listed here: 14 detected, 25 not detected. Across the whole record it is 1,143 of 4,353. 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 Gulf Park, every result from 461 to 470 of 794 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 25, 2013 03:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
130628-044PB
Laboratory
MSDH Lab
0.0509 mg/l , sample collected Jun 25, 2013 03:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2013 03:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Jun 25, 2013 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
130628-041PB
Laboratory
MSDH Lab
0.1094 mg/l , sample collected Jun 25, 2013 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2013 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Jun 25, 2013 09:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
130628-040PB
Laboratory
MSDH Lab
0.2058 mg/l , sample collected Jun 25, 2013 09:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0006 mg/l , sample collected Jun 25, 2013 09:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Jun 25, 2013 09:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
130628-039PB
Laboratory
MSDH Lab
0.2415 mg/l , sample collected Jun 25, 2013 09:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0007 mg/l , sample collected Jun 25, 2013 09:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Jun 25, 2013 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
130628-038PB
Laboratory
MSDH Lab
0.0779 mg/l , sample collected Jun 25, 2013 10:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2013 10:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Jun 25, 2013 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
130628-037PB
Laboratory
MSDH Lab
0.1358 mg/l , sample collected Jun 25, 2013 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.001 mg/l , sample collected Jun 25, 2013 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Jun 24, 2013 07:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
130628-051PB
Laboratory
MSDH Lab
0.0334 mg/l , sample collected Jun 24, 2013 07:25, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.001 mg/l , sample collected Jun 24, 2013 07:25, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Jun 24, 2013 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
130628-049PB
Laboratory
MSDH Lab
0.0191 mg/l , sample collected Jun 24, 2013 14:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 24, 2013 14:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Jun 24, 2013 07:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
130628-042PB
Laboratory
MSDH Lab
0.0309 mg/l , sample collected Jun 24, 2013 07:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0009 mg/l , sample collected Jun 24, 2013 07:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 28, 2013 03:30
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
130529-012VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Dichloromethane 2964 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Benzene 2990 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Toluene 2991 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 28, 2013 03:30, sampling point TF106 Styrene 2996 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013

Routine (10).