Water Quality Testing Template
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4Water Quality Testing
Name _________________________________________________
Date ____________
Period_____
You will be running four different water quality tests on the provided samples.
Water Test
Information
Safe Levels for Living Organisms
pH
Scale of 1 to 14; pH=7=neutral; pH<7= acid;
6.5 to 9
pH>7= base
Nitrate
Nitrogen and oxygen containing chemicals
<1mg/L for aquatic life; <10mg/L for drinking
Phosphate
Phosphorus containing chemicals
0.01-0.03mg/L
Chloride
Chlorine levels
<0.01mg/L for aquatic life; < 1.0mg/L for drinking
Question Part 1: How does water quality vary in different water samples?
You will be testing tap water, bottled water, and outdoor water to find how they differ.
Hypothesis: Prediction Chart
pH:
Nitrites:
Phosphates:
Chloride:
Water Source
Acid, Neutral, or
Safe or Unsafe
Safe or Unsafe
Safe or Unsafe
Base
Tap Water
Bottle Water
Distilled Water
Outdoor Water (
)
Materials:
Tap water
Bottle Water
Distilled water
Outdoor water(
)
Testing supplies
Procedures:
Procedures will be at your lab stations. Follow all lab procedures carefully and clean your area as directed.
Data Table 1:
pH (A)
Nitrites (B)
Phosphates (C)
Chloride (D)
Tap Water
Bottled Water
Distilled Water
Outdoor Water (
)
Use Data Table 1 to answer the following questions in complete sentences.
How does pH vary between tap, bottled, distilled, and outdoor water? _________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
How do nitrate levels vary between these samples? ________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
How do phosphate levels vary between these samples? _____________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
How do chloride levels vary between these samples? _______________________________________________________
__________________________________________________________________________________________________
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