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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

MS0230003 , Clermont Harbor

42 of the 74 analytes this system has been tested for have been detected at least once, across 193 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 193 samples on record, detections range from November 2, 1993 to July 28, 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 Clermont Harbor, 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 50 of 99 results Apr 4, 1994 Jun 27, 2023
Lead 1030 Inorganic Chemical 43 of 99 results Nov 2, 1993 Jun 11, 2020
Fluoride 1025 Inorganic Chemical 16 of 16 results Jun 18, 2002 Feb 4, 2025
Barium 1010 Inorganic Chemical 15 of 15 results Jun 18, 2002 Feb 4, 2025
Chromium 1020 Inorganic Chemical 14 of 15 results Jun 18, 2002 Feb 4, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 8 results Jul 14, 2004 Feb 11, 2025
TTHM 2950 Organic Chemical 8 of 8 results May 24, 2004 Feb 11, 2025
Dichloroacetic Acid 2451 Organic Chemical 5 of 5 results Aug 28, 2007 Jul 26, 2018
Chloroform 2941 Organic Chemical 5 of 5 results Jul 31, 2007 Jul 26, 2018
Sulfate 1055 Inorganic Chemical 5 of 7 results Jun 18, 2002 Dec 3, 2008
Trichloroacetic Acid 2452 Organic Chemical 4 of 5 results Aug 28, 2007 Sep 10, 2014
Bromodichloromethane 2943 Organic Chemical 4 of 5 results Jul 31, 2007 Sep 10, 2014
Selenium 1045 Inorganic Chemical 4 of 15 results Jun 18, 2002 Mar 7, 2005
Combined Uranium 4006 Radionuclide 3 of 4 results Sep 29, 2011 Jul 28, 2026
Nickel 1036 Inorganic Chemical 3 of 15 results Mar 7, 2005 Apr 2, 2008
Arsenic 1005 Inorganic Chemical 2 of 15 results Apr 27, 2022 Feb 4, 2025
Sodium 1052 Inorganic Chemical 2 of 2 results Dec 3, 2008 Feb 9, 2021
Gross Alpha Particle Activity 4109 Radionuclide 2 of 4 results Jun 26, 2012 Sep 13, 2012
Gross Alpha, Excl. Radon & U 4000 Radionuclide 2 of 3 results Sep 29, 2011 Dec 5, 2011
Cadmium 1015 Inorganic Chemical 2 of 15 results Mar 7, 2005 Mar 7, 2005
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 3 results Jul 28, 2026 Jul 28, 2026
Radium-226 4020 Radionuclide 1 of 3 results Jul 28, 2026 Jul 28, 2026
Radium-228 4030 Radionuclide 1 of 3 results Jul 28, 2026 Jul 28, 2026
Cyanide 1024 Inorganic Chemical 1 of 13 results May 12, 2021 May 12, 2021
Monochloroacetic Acid 2450 Organic Chemical 1 of 5 results Sep 10, 2014 Sep 10, 2014
Calcium 1016 Inorganic Chemical 1 of 1 result Dec 3, 2008 Dec 3, 2008
Chloride 1017 Inorganic Chemical 1 of 1 result Dec 3, 2008 Dec 3, 2008
Manganese 1032 Inorganic Chemical 1 of 1 result Dec 3, 2008 Dec 3, 2008
Potassium 1042 Inorganic Chemical 1 of 1 result Dec 3, 2008 Dec 3, 2008
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Carbon Dioxide 1901 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Color 1905 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
PH 1925 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Alkalinity, Total 1927 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Calculated Sodium NACA Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
PH, Field Result PHFD Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Monobromoacetic Acid 2453 Organic Chemical 1 of 5 results Sep 18, 2008 Sep 18, 2008
Dibromochloromethane 2944 Organic Chemical 1 of 5 results Jul 31, 2007 Jul 31, 2007
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 26 results Jul 27, 2005 Jul 27, 2005
Nitrate 1040 Inorganic Chemical 1 of 26 results Jul 27, 2005 Jul 27, 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 71–80 of 193 samples, newest first — collected July 31, 2007 to September 2, 2009. The summary above covers all 193.

60 results from the 10 samples listed here: 33 detected, 27 not detected. Across the whole record it is 219 of 898. 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 Clermont Harbor, every result from 71 to 80 of 193 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
Sep 2, 2009
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
090903-004CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 2, 2009, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Apr 6, 2009
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
090407-039NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Apr 6, 2009, sampling point TF104 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 Apr 6, 2009, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Apr 6, 2009, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
Dec 3, 2008
Sampling point
WL004 Well W004
Sample type
Routine
Lab sample
081204-007PC
Laboratory
MSDH Lab
0.632 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 Dec 3, 2008, sampling point WL004 Calcium 1016 EPA method 200.8 Not recorded
11.5 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 Dec 3, 2008, sampling point WL004 Chloride 1017 EPA method 300.0 Not recorded
0.148 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 Dec 3, 2008, sampling point WL004 Fluoride 1025 EPA method 380-75WE Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 3, 2008, sampling point WL004 Iron 1028 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 3, 2008, sampling point WL004 Magnesium 1031 EPA method 200.8 Not recorded
0.002 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 Dec 3, 2008, sampling point WL004 Manganese 1032 EPA method 200.8 Not recorded
0.294 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 Dec 3, 2008, sampling point WL004 Potassium 1042 EPA method 200.8 Not recorded
99.5 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 Dec 3, 2008, sampling point WL004 Sodium 1052 EPA method 200.8 Not recorded
3.96 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 Dec 3, 2008, sampling point WL004 Sulfate 1055 EPA method 300.0 Not recorded
239 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 Dec 3, 2008, sampling point WL004 Residue, Total, Filterable 1057 EPA method CALCUL LAB 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 Dec 3, 2008, sampling point WL004 Alkalinity, Caco3 Stability 1067 EPA method 2320B Not recorded
3 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 Dec 3, 2008, sampling point WL004 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 Dec 3, 2008, sampling point WL004 Color 1905 EPA method 2120B Not recorded
1.9 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 Dec 3, 2008, sampling point WL004 Hardness, Total (As Caco3) 1915 EPA method CALCUL LAB Not recorded
8.23 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 Dec 3, 2008, sampling point WL004 PH 1925 EPA method 150.1 Not recorded
204 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 Dec 3, 2008, sampling point WL004 Alkalinity, Total 1927 EPA method 2320B Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 3, 2008, sampling point WL004 Iron, Field Result FEFD EPA method 3500AL-D Not recorded
102.5 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 Dec 3, 2008, sampling point WL004 Calculated Sodium NACA EPA method CALCUL LAB Not recorded
8.6 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 Dec 3, 2008, sampling point WL004 PH, Field Result PHFD EPA method 3500AL-D Not recorded
Collected
Sep 18, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080919-014TH
Laboratory
MSDH Lab
11.6 ug/l , sample collected Sep 18, 2008, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 18, 2008, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
2.74 ug/l , sample collected Sep 18, 2008, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 18, 2008, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
14.34 ug/l , sample collected Sep 18, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2008 – Dec 31, 2010
Collected
Sep 18, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080919-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 18, 2008, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Sep 18, 2008, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Sep 18, 2008, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Sep 18, 2008, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 18, 2008, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 mg/l This result is recorded as a detection, and the figure the agency wrote — "0.00" — 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. , sample collected Sep 18, 2008, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2008 – Dec 31, 2010
Collected
May 21, 2008
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
080522-023NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF104 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 21, 2008, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Apr 2, 2008
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
080403-006IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2008, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.003214 mg/l , sample collected Apr 2, 2008, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 2, 2008, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2008, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.343 mg/l , sample collected Apr 2, 2008, sampling point TF104 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Apr 2, 2008, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.000836 mg/l , sample collected Apr 2, 2008, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2008, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2008, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 2, 2008, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2008, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Dec 5, 2007
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
071206-016CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Dec 5, 2007, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
Aug 28, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070829-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 28, 2007, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Aug 28, 2007, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Aug 28, 2007, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 28, 2007, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 28, 2007, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Aug 28, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2005 – Dec 31, 2007
Collected
Jul 31, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070801-013TH
Laboratory
MSDH Lab
11.6 ug/l , sample collected Jul 31, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 31, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
4.77 ug/l , sample collected Jul 31, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
2.34 ug/l , sample collected Jul 31, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
18.71 ug/l , sample collected Jul 31, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007

Routine (10).