EFTA00615311.pdf
dataset_9 pdf 221.0 KB • Feb 3, 2026 • 5 pages
Informational Water Quality Report EA National Testing
Watercheck Laboratories, Ltd.
Client:
Little St. James Quality Water Analyst*
Little St. James Island, VI 6571 Wilson Mills Rd
Cleveland. Ohio 44143
Sample Number: 872312
Ordered By:
Ocean Systems Laboratory of St. Thomas Location: RIO Plant STL 43283
6194 Frydenhoj
#43
St. Thomas, VI 00802-1306 Type of Water: R.O. Water
ATTN: Oonijah Thomas Collection Date and Time: 03/14/2017 08:03
Received Date and Time: 03/17/2017 11:20
Date Completed: 3/30/2017
Definition and Legend
This informational water quality report compares the actual test result to national standards as defined in the EPA's Primary and
Secondary Drinking Water Regulations.
Primary Standards: Are expressed as the maximum contaminant level (MCL) which is the highest level of contaminant that
is allowed in drinking water. MCLs are enforceable standards.
Secondary standards: Are non-enforceable guidelines regulating contaminants that may cause cosmetic effects (such as skin
or tooth discoloration) or aesthetic effects (such as taste. odor.or color) in drinking water. Individual
states may choose to adopt them as enforceable standards.
Action levels: Are defined in treatment techniques which are required processes intended to reduce the level of a
contaminant in drinking water.
mgil. (ppm): Unless otherwise indicated, results and standards are expressed as an amount in milligrams per liter or
pans per million.
Minimum Detection The lowest level that the laboratory can detect a contaminant.
Level (MDL):
ND: The contaminant was not detected above the minimum detection level.
NA: The contaminant was not analyzed.
The contaminant was not detected in the sample above the minimum detection level.
The contaminant was detected at or above the minimum detection level, but not above the referenced standard.
•
The contaminant was detected above the standard, which is not an EPA enforceable MCL.
The contaminant was detected above the EPA enforceable MCL.
x These results may be invalid.
EFTA00615311
Status Contaminant Results Units National Standards Min. Detection Level
Microbiologicals
IX Total Coliform by PIA Total Coliform and E.coli were ABSENT. however bacteria results may be
invalid due to lack of collection information or because sample has exceeded
30 hour holding time.
a Inorganic Analytes - Metals
•de Aluminum ND mg/L 0.2 EPA Secondary 0.1
Arsenic ND mg/L 0.010 EPA Primary 0.005
Barium ND mg/L 2 EPA Primary 0.30
Cadmium ND mg/L 0.005 EPA Primary 0.002
Calcium ND mg/L 2.0
Chromium ND mg/L 0.1 EPA Primary 0.010
Copper ND mg/L 1.3 EPA Action Level 0.004
Iron ND mg/L 0.3 EPA Secondary 0.020
Lead ND mg/L 0.015 EPA Action Level 0.002
Lithium ND mg/L 0.001
• Magnesium 1.06 mg/L 0.10
Manganese ND mg/L 0.05 EPA Secondary 0.004
Mercury ND mg/L 0.002 EPA Primary 0.001
Nickel ND mg/L 0.020
• Potassium 3.0 mg/L 1.0
Selenium ND mg/L 0.05 EPA Primary 0.020
." Silica ND mg/L 0.1
Silver ND mg/L 0.100 EPA Secondary 0.002
• Sodium 88 mg/L 1
• Strontium 0.006 mg/L 0.001
Uranium ND mg/L 0.030 EPA Primary 0.001
Zinc ND mg/L 5 EPA Secondary 0.004
Physical Factors
Alkalinity (Total as CaCO3) ND mg/L 20
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EFTA00615312
Status Contaminant Results Units National Standards Min. Detection Level
Hardness ND mg/L 100 NTL Internal 10
pH 7.4 pH Units 6.5 to 8.5 EPA Secondary
• Total Dissolved Solids 210 mg/L 500 EPA Secondary 20
Turbidity ND NTU 1.0 EPA Action Level 0.1
Inorganic Analytes - Other
4, Bromide ND mg/L 0.5
• Chloride 120.0 mg/L 250 EPA Secondary 5.0
Fluoride ND mg/L 4.0 EPA Primary 0.5
Nitrate as N ND mg/L 10 EPA Primary 0.5
Nitrite as N ND mg/L 1 EPA Primary 0.5
Ortho Phosphate ND mg/L 2.0
Sulfate ND mg/L 250 EPA Secondary 5.0
L Organic Analytes - Trihalomethanes
a
Bromodichloromethane ND mg/L 0.002
Bromoform ND mg/L 0.004
• Chloroform 0.007 mg/L 0.002
Dibromochloromethane ND mg/L 0.004
• Total THMs 0.007 mg/L 0.080
Organic Analytes - Volatiles
EPA Primary 0.002
1,1,1,2-Tetrachloroethane ND mg/L 0.002
1,1,1-Trichloroethane ND mg/L 0.2 EPA Primary 0.001
1,1,2,2-Tetrachloroethane ND mg/L 0.002
1,1,2-Trichloroethane ND mg/L 0.005 EPA Primary 0.002
1,1-Dichloroethane ND mg/L 0.002
1,1-Dichloroethene ND mg/L 0.007 EPA Primary 0.001
1,1-Dichloropropene ND mg/L 0.002
1,2,3-Trichlorobenzene ND mg/L 0.002
1,2,3-Trichloropropane ND mg/L 0.002
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EFTA00615313
It tus_ Contaminant
1,2,4-Trichlorobenzene
Results
ND
Units
mg/L
National Standards
0.07 EPA Primary
Min. Detection Level
0.002
1,2-Dichlorobenzene ND mg/ 0.6 EPA Primary 0.001
1,2-Dichloroethane ND mg/ 0.005 EPA Primary 0.001
1,2-Dichloropropane ND mg/L 0.005 EPA Primary 0.002
1,3-Dichlorobenzene ND mg/L 0.001
.4 1,3-Dichloropropane ND mg/L 0.002
1,4-Dichlorobenzene ND mg/L 0.075 EPA Primary 0.001
2,2-Dichloropropane ND mg/ 0.002
• 2-Chlorotoluene ND mg/ 0.001
• 4-Chlorotoluene ND mg/ 0.001
Acetone ND mg/ 0.01
Benzene ND mg/ 0.005 EPA Primary 0.001
Bromobenzene ND mg/ 0.002
Bromomethane ND mg/ 0.002
Carbon Tetrachloride ND mg& 0.005 EPA Primary 0.001
Chlorobenzene ND mg/ 0.1 EPA Primary 0.001
Chloroethane ND mg/ 0.002
• Chloromethane ND mg/ 0.002
cis-1,2-Dichloroethene ND mg/l_ 0.07 EPA Primary 0.002
cis-1,3-Dichloropropene ND mg/L 0.002
DBCP ND mg/L 0.001
Dibromomethane ND mg/ 0.002
Dichlorodifluoromethane ND mg/L 0.002
Dichloromethane ND mg/L 0.005 EPA Primary 0.002
• EDB ND mg/L 0.001
Ethylbenzene ND mg/L 0.7 EPA Primary 0.001
•I r Methyl Ted Butyl Ether ND mg/l_ 0.004
Methyl-Ethyl Ketone ND mg/ 0.01
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EFTA00615314
Results Units National Standards Min. Detection Level
Styrene ND mg/L 0.1 EPA Primary 0.001
Tetrachloroethene ND mg/L 0.005 EPA Primary 0.002
Tetrahydrofuran ND mg/L 0.01
if Toluene ND mg/L 1 EPA Primary 0.001
trans-1,2-Dichloroethene ND mg/L 0.1 EPA Primary 0.002
trans-1,3-Dichloropropene ND mg/L 0.002
Trichloroethene ND mg/L 0.005 EPA Primary 0.001
Trichlorofluoromethane ND mg/L 0.002
Vinyl Chloride ND mg/L 0.002 EPA Primary 0.001
Xylenes (Total) ND mg/L 10 EPA Primary 0.001
We certify that the analyses performed for this report are accurate, and that the laboratory tests were conducted by methods
approved by the U.S. Environmental Protection Agency or variations of these EPA methods.
These test results are intended to be used for informationalpurposes only and may not be used for regulatory compliance.
National Testing Laboratories, Ltd.
NATIONAL TESTING LABORATORIES, LTD
Page 5 of 5 3/30/2017 8:01:18 AM Product: Watercheck Sample: 872312
EFTA00615315
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