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Where Does Tap Water Come From

Interactive passage with audio narration, comprehension questions, and printable PDF.

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Format: Interactive (Online), Printable (PDF)
Grades: 5678
Subjects: scienceela
Standards: MS-ESS3-1
Languages: English, Spanish

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What's included

Reading passage

Reading comprehension

Audio narration

With word word highlighting

Comprehension quiz

Auto-graded

Writing activity

Open-ended response

Glossary & flashcards

Vocabulary practice

Differentiated version

Adapted for varied levels

Spanish translation

Bilingual support

About this reader

This engaging 400-500 word reading passage for grades 6-8 examines where tap water comes from and how it reaches homes. Students explore natural water sources including rivers, reservoirs, and aquifers, and learn about the treatment processes that make water safe to drink. The passage includes real-world examples such as Los Angeles importing water from over 200 miles away and New York City's 125-mile water tunnel system. Aligned with NGSS standards MS-ESS3-1 and MS-ESS3.A, this passage helps students understand natural resource distribution and human impact on Earth systems. The content includes audio integration, vocabulary development with 8-10 key science terms, a simplified differentiated version for struggling readers, Spanish translations, multiple-choice questions, writing activities, and relevant graphic organizers. Students engage with concepts of water infrastructure, filtration, disinfection, and the complex systems that support modern life.

Written by Workybooks TeamPublished by Workybooks

Sample passage and quiz content

CONTENT PREVIEW

Close-up of adult hands filling a pot with tap water in a kitchen sink. — The water in your home begins its journey from natural sources like rivers, lakes, reservoirs, and underground aquifers. Image by RDNE Stock project / Pexels.

Every time you turn on a faucet, clean water flows out instantly. But where does this tap water actually come from? The water in your home begins its journey from natural sources far away. These sources include rivers, lakes, reservoirs, and underground aquifers. Some cities transport water more than 200 miles to reach homes and businesses.

Water from natural sources cannot go directly to your faucet. First, it travels to a treatment plant through large pipes or tunnels. At the treatment plant, workers use several processes to make water safe. Filtration removes dirt, sand, and other solid particles from the water. The water passes through layers of sand, gravel, and sometimes charcoal. Next, disinfection kills harmful bacteria and other microorganisms. Scientists add chemicals like chlorine to eliminate disease-causing germs. Some plants also adjust the water's pH level to prevent pipe damage.

After treatment, the clean water enters a distribution system. This system includes thousands of miles of underground pipes. Pumps push water through these pipes to reach every neighborhood. Water towers store extra water and help maintain steady pressure in the pipes. Evidence shows that cities like Los Angeles import water from sources over 200 miles north. New York City's water travels 125 miles through massive tunnels carved through rock. These tunnels can be 24 feet wide and carry billions of gallons daily.

Understanding where tap water comes from helps us appreciate this vital resource. Cities depend on reliable water sources and well-maintained infrastructure. Climate changes can affect water availability in rivers and aquifers. Growing populations increase demand for clean water. Engineers and scientists work to protect water sources and improve treatment methods. The journey from source to faucet represents a complex system that supports human health and modern life.

Interesting Fact: The average American uses about 82 gallons of water per day at home. A single dripping faucet can waste more than 3,000 gallons of water each year.

What are the three main natural sources of tap water mentioned in the passage?

Rivers, reservoirs, and aquifersOceans, lakes, and streamsWells, ponds, and springsGlaciers, snow, and ice

What is the primary purpose of filtration in water treatment?

To add minerals to the waterTo remove dirt, sand, and solid particlesTo change the water's temperatureTo increase water pressure

Based on the passage, what does the term 'disinfection' mean in water treatment?

Cooling water to a safe temperatureRemoving solid particles from waterKilling harmful bacteria and microorganismsStoring water in large tanks

How far does New York City's water travel through tunnels to reach the city?

50 miles125 miles200 miles300 miles

What can you infer about why cities need water towers in their distribution systems?

They filter water before it reaches homesThey store extra water and maintain steady pressure in pipesThey heat water for homes and businessesThey collect rainwater for treatment

Why might climate changes affect tap water availability according to the passage?

Climate changes can affect water levels in rivers and aquifersClimate changes make water treatment more expensiveClimate changes damage underground pipesClimate changes increase the number of water towers needed

If a city's population grows significantly, what challenge would the water system likely face?

Water would become too clean to useIncreased demand for clean water would strain the systemTreatment plants would need fewer chemicalsWater towers would no longer be necessary

Which process happens first after water leaves its natural source?

It is stored in water towersIt is distributed to homes through pipesIt travels to a treatment plantIt is tested in laboratories

True or False: Water from natural sources can go directly to home faucets without any treatment.

TrueFalse

True or False: A single dripping faucet can waste more than 3,000 gallons of water each year.

TrueFalse