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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

MS0230051 , White Cypress Lakes

31 of the 72 analytes this system has been tested for have been detected at least once, across 247 samples on record.

The other 41 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 247 samples on record, detections range from November 2, 1993 to July 26, 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 White Cypress Lakes, 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 85 of 105 results Nov 2, 1993 Jul 26, 2026
Lead 1030 Inorganic Chemical 41 of 105 results Nov 2, 1993 Jun 26, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 21 of 22 results Jul 31, 2007 Feb 9, 2026
TTHM 2950 Organic Chemical 21 of 21 results May 24, 2004 Nov 17, 2025
Fluoride 1025 Inorganic Chemical 20 of 20 results Jun 26, 2002 Jul 6, 2026
Barium 1010 Inorganic Chemical 19 of 19 results Jun 26, 2002 Jul 6, 2026
Chloroform 2941 Organic Chemical 15 of 16 results Sep 18, 2008 Nov 17, 2025
Dichloroacetic Acid 2451 Organic Chemical 14 of 15 results Jul 18, 2012 Feb 9, 2026
Bromodichloromethane 2943 Organic Chemical 12 of 16 results Sep 18, 2008 Nov 17, 2025
Trichloroacetic Acid 2452 Organic Chemical 10 of 15 results Jul 18, 2012 Feb 9, 2026
Chromium 1020 Inorganic Chemical 10 of 19 results Jun 26, 2002 Apr 7, 2025
Dibromochloromethane 2944 Organic Chemical 9 of 16 results Sep 18, 2008 Nov 17, 2025
Sodium 1052 Inorganic Chemical 3 of 3 results Feb 24, 2010 Feb 4, 2025
Nickel 1036 Inorganic Chemical 3 of 17 results Jan 30, 2006 Mar 2, 2015
Sulfate 1055 Inorganic Chemical 3 of 3 results Jun 26, 2002 Feb 24, 2010
Dibromoacetic Acid 2454 Organic Chemical 2 of 15 results Jul 18, 2012 Jul 25, 2019
Calcium 1016 Inorganic Chemical 1 of 1 result Feb 24, 2010 Feb 24, 2010
Magnesium 1031 Inorganic Chemical 1 of 1 result Feb 24, 2010 Feb 24, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result Feb 24, 2010 Feb 24, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result Feb 24, 2010 Feb 24, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Feb 24, 2010 Feb 24, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Feb 24, 2010 Feb 24, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result Feb 24, 2010 Feb 24, 2010
Color 1905 Water Quality 1 of 1 result Feb 24, 2010 Feb 24, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Feb 24, 2010 Feb 24, 2010
Alkalinity, Total 1927 Water Quality 1 of 1 result Feb 24, 2010 Feb 24, 2010
Calculated Sodium NACA Water Quality 1 of 1 result Feb 24, 2010 Feb 24, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Feb 24, 2010 Feb 24, 2010
Monobromoacetic Acid 2453 Organic Chemical 1 of 15 results Sep 18, 2008 Sep 18, 2008
Carbon Tetrachloride 2982 Organic Chemical 1 of 22 results Feb 8, 2007 Feb 8, 2007
Selenium 1045 Inorganic Chemical 1 of 19 results Mar 7, 2005 Mar 7, 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 141–150 of 247 samples, newest first — collected February 22, 2012 to January 14, 2013. The summary above covers all 247.

57 results from the 10 samples listed here: 8 detected, 49 not detected. Across the whole record it is 303 of 1,221. 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 White Cypress Lakes, every result from 141 to 150 of 247 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
Jan 14, 2013 13:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130115-012
Laboratory
Radiation Safety Engineering
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Jan 14, 2013 13:20, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.395 pci/l Minimum Reporting Level , sample collected Jan 14, 2013 13:20, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.395 pci/l Minimum Reporting Level , sample collected Jan 14, 2013 13:20, sampling point TF101 Radium-226 4020 EPA method 903.1 Jan 1, 2013 – Mar 31, 2013
Not detected below 0.3 pci/l Minimum Reporting Level , sample collected Jan 14, 2013 13:20, sampling point TF101 Radium-228 4030 EPA method 904 Jan 1, 2013 – Mar 31, 2013
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Jan 14, 2013 13:20, sampling point TF101 Gross Alpha Particle Activity 4109 EPA method 00-02 Jan 1, 2013 – Mar 31, 2013
Collected
Dec 28, 2012 12:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130103-003
Laboratory
Radiation Safety Engineering
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Dec 28, 2012 12:45, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.395 pci/l Minimum Reporting Level , sample collected Dec 28, 2012 12:45, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.395 pci/l Minimum Reporting Level , sample collected Dec 28, 2012 12:45, sampling point TF101 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.3 pci/l Minimum Reporting Level , sample collected Dec 28, 2012 12:45, sampling point TF101 Radium-228 4030 EPA method 904 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Dec 28, 2012 12:45, sampling point TF101 Gross Alpha Particle Activity 4109 EPA method 00-02 Oct 1, 2012 – Dec 31, 2012
Collected
Jul 18, 2012 12:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
120719-011TH
Laboratory
MSDH Lab
2.13 ug/l , sample collected Jul 18, 2012 12:00, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 18, 2012 12:00, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
1.66 ug/l , sample collected Jul 18, 2012 12:00, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.69 ug/l , sample collected Jul 18, 2012 12:00, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
5.48 ug/l , sample collected Jul 18, 2012 12:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Jul 18, 2012 12:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
120719-011HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 18, 2012 12:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jul 18, 2012 12:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jul 18, 2012 12:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 18, 2012 12:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Jul 18, 2012 12:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Jul 18, 2012 12:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Dec 31, 2013
Collected
Jul 10, 2012 10:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120711-102
Laboratory
Radiation Safety Engineering
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 10:10, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.395 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 10:10, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.395 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 10:10, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.3 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 10:10, sampling point TF101 Radium-228 4030 EPA method 904 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 10:10, sampling point TF101 Gross Alpha Particle Activity 4109 EPA method 00-02 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 10, 2012 10:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120711-102RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 10, 2012 10:10, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
May 8, 2012 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120509-017VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 8, 2012 12:00, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Collected
Apr 18, 2012 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120419-076
Laboratory
Radiation Safety Engineering
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 12:30, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.395 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 12:30, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.395 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 12:30, sampling point TF101 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.3 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 12:30, sampling point TF101 Radium-228 4030 EPA method 904 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 12:30, sampling point TF101 Gross Alpha Particle Activity 4109 EPA method 00-02 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 18, 2012 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120419-076RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 12:30, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Feb 22, 2012 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120223-107NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 22, 2012 12:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 22, 2012 12:00, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 22, 2012 12:00, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012

Routine (10).