What contaminants are in Temescal Valley's water?

Temescal Valley's water utility tests for 467 different contaminants. Currently, 7 contaminants are above EPA MCLGs. You can view detailed information about each contaminant, including test results, health effects, and comparisons to EPA MCLGs in the sections above.

Do I need a water filter in Temescal Valley?

Yes, we recommend using a water filter in Temescal Valley. With 7 contaminants above EPA MCLGs, a certified water filter can reduce your exposure to these substances. Look for filters certified for NSF-53 (health effects) or NSF-58 (reverse osmosis) that specifically remove the contaminants found in your water.

Does Temescal Valley have any water quality violations?

ELSINORE VALLEY MWD currently has no reported Maximum Contaminant Level (MCL) violations, meaning the water meets all federal legal limits. However, health-based guidelines are often more protective than legal limits, which is why we compare test results to EPA MCLG Levels on this page.

Why does Temescal Valley's water taste like chlorine?

ELSINORE VALLEY MWD uses chloramines, ozone to disinfect the water and kill harmful bacteria and viruses. While chlorine is essential for public health, it can affect the taste and smell of your water. A simple activated carbon filter (like a pitcher filter or faucet mount) can effectively remove chlorine and improve taste.

Is Temescal Valley's water hard or soft?

Temescal Valley's water has 96.4 PPM average hardness. Soft water is generally easier on plumbing and appliances, and requires less soap for cleaning.

What are the main contaminants in Temescal Valley tap water?

The main contaminants of concern in Temescal Valley's tap water include Uranium, Bromoform, Chlorine Dioxide. These substances were found above EPA health-based guidelines. You can view detailed information about each contaminant, including health effects and recommended filters, in the contaminants section above.

Can you drink tap water in Temescal Valley?

While you can technically drink tap water in Temescal Valley as it meets legal requirements, 7 contaminants are above EPA health guidelines. We recommend using a certified water filter for optimal protection, especially for vulnerable individuals.

How often is Temescal Valley's water tested?

ELSINORE VALLEY MWD is required by federal law to test water quality regularly. The frequency depends on the contaminant - some are tested daily (like bacteria), while others are tested monthly, quarterly, or annually. The test results shown on this page are from the most recent testing period reported to the EPA.

Where does Temescal Valley's tap water come from?

Temescal Valley's drinking water comes from surface water. Surface water sources include rivers, lakes, and reservoirs, which require more extensive treatment to remove sediments and potential contaminants. The utility treats this water using conventional, disinfection, filtration, pre-oxidation with chlorine before distribution.

What is the overall water quality in Temescal Valley?

Temescal Valley has 7 contaminants above EPA health guidelines (MCLGs) out of 467+ tested. While meeting federal legal limits (MCLs), the presence of contaminants above health-based guidelines suggests that using a certified water filter could provide additional protection, especially for sensitive populations.

What are the most common contaminants detected in Temescal Valley water?

The most commonly detected contaminants in Temescal Valley water include: Hardness (Total), pH, Total Dissolved Solids, Turbidity, Uranium. Of these, 7 exceed EPA health guidelines. These contaminants are regularly monitored by ELSINORE VALLEY MWD and reported to the EPA. View the detailed contaminant section above for specific levels and health information.

Temescal Valley Tap Water Quality Report

Temescal Valley's water has 7 contaminants above EPA MCLGs. We recommend using a certified water filter.

Utilities

4 Utilities

People Served

417,851

MCL Violations

Last Updated

2025-09-22

Is Temescal Valley Tap Water Safe to Drink?

Temescal Valley's water has 7 contaminants above EPA health-based guidelines. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Temescal Valley's water.

The data below shows test results from 4 water utilities serving 417,851 people in the Temescal Valley area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2025-09-22.

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Temescal Valley Water Service Areas

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Recommended Water Filters for Temescal Valley

Based on Temescal Valley's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

Our Pick

BEST HIGH TDS WATER

Omnipure Filter Co.

CL10RO T/33[2]

(419 reviews)

13.56

NSF Certified:

NSF-42

Capacity

1500 gal

Filter Life

5 mo

Flow Rate

0.5 gpm

Removes 3 contaminants:

Chlorine (Free), Chlorine (Total), Chlorine Dioxide

View Details

Highly Rated

EDITOR'S CHOICE

BEST BUDGET

Culligan

ZeroWater

24.99

NSF Certified:

NSF-42

NSF-53

NSF-401

NSF-372

Flow Rate

1.9 gpm

Daily Production

1 gpd

Removes 19 contaminants:

Nitrate, Copper, Zinc, Barium, Sulfate +14 more

View Details

Best Value

BEST HIGH TDS WATER

Omnipure Filter Co.

K2586[4]

(12 reviews)

18.67

NSF Certified:

NSF-42

Capacity

1250 gal

Filter Life

4 mo

Flow Rate

0.5 gpm

Removes 3 contaminants:

Chlorine (Free), Chlorine (Total), Chlorine Dioxide

View Details

Highly Rated

BEST LEAD REMOVAL

Whirlpool Corporation

W11256135

(40,578 reviews)

NSF Certified:

NSF-401

NSF-42

NSF-53

Capacity

1001 gal

Filter Life

3 mo

Flow Rate

0.7 gpm

Removes 19 contaminants:

1,2 Dichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos, Atrazine +14 more

View Details

Browse All Water Filter Types

Verify Your Water Quality with Independent Testing

With 7 contaminants above EPA health guidelines, independent laboratory testing provides a second opinion and can track changes over time.

RECOMMENDED

SimpleLab

Advanced Home Water Test

$369

Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.

(19 reviews)

7-10 days

300+ tested

EPA Certified

Tests 300+ parameters

Most thorough analysis available

EPA-certified laboratory

Order Test Kit

SimpleLab

Standard Home Water Test

$232

Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

(209 reviews)

7-10 days

200+ tested

EPA Certified

Tests 200+ contaminants

EPA-certified laboratory

Easy mail-in sample collection

Order Test Kit

Tap Score

Advanced Microplastics Test

$636

Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.

(30 reviews)

10-14 days

1+ tested

Advanced detection technology

Comprehensive particle analysis

Emerging contaminant testing

Order Test Kit

EPA-Certified Labs

7-10 Day Results

Easy Mail-In Collection

Browse All Test Kits

Frequently Asked Questions About Temescal Valley Tap Water

Temescal Valley's water has 7 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Temescal Valley's water.

Temescal Valley Tap Water Quality Report

Is Temescal Valley Tap Water Safe to Drink?

Temescal Valley Water Service Areas

Recommended Water Filters for Temescal Valley

CL10RO T/33[2]

ZeroWater

K2586[4]

W11256135

Browse All Water Filter Types

Verify Your Water Quality with Independent Testing

Advanced Home Water Test

Standard Home Water Test

Advanced Microplastics Test

Frequently Asked Questions About Temescal Valley Tap Water

Is Temescal Valley tap water safe to drink?

What contaminants are in Temescal Valley's water?

Do I need a water filter in Temescal Valley?

Does Temescal Valley have any water quality violations?

Why does Temescal Valley's water taste like chlorine?

Is Temescal Valley's water hard or soft?

What are the main contaminants in Temescal Valley tap water?

Can you drink tap water in Temescal Valley?

How often is Temescal Valley's water tested?

Where does Temescal Valley's tap water come from?

What is the overall water quality in Temescal Valley?

What are the most common contaminants detected in Temescal Valley water?

Stay Informed About Your Water Quality