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Renton, Washington Tap Water Quality

Free EPA data for 10 community water systems serving 193,833+ residents. Click any system to see violations, lead test results, and a safety grade.

RENTON CITY OF A
Renton, WA · 108,091 people · Groundwater ✓ No recent health violations
SOOS CREEK WATER & SEWER DISTRICT A
Renton, WA · 64,534 people · Surface Water Purchased ✓ No recent health violations
KING COUNTY WATER DISTRICT NO 90 A
Renton, WA · 20,100 people · Surface Water Purchased ✓ No recent health violations
MAPLEWOOD ADDITION WATER COOP A
Renton, WA · 435 people · Groundwater ✓ No recent health violations
RAVENSDALE WATER SUPPLY A
Renton, WA · 389 people · Surface Water Purchased ✓ No recent health violations
Rainier Christian School A
Renton, WA · 150 people · Groundwater ✓ No recent health violations
LAKE WILDERNESS SHORE ACRES ESTATE A
Renton, WA · 75 people · Groundwater ✓ No recent health violations
Red Dog Saloon Water System A
Renton, WA · 30 people · Groundwater ✓ No recent health violations
COUGAR MTN. PARK WT SUPPLY SYS. A
Renton, WA · 25 people · Groundwater ✓ No recent health violations
Cougar / Squak Corridor A
Renton, WA · 4 people · Groundwater ✓ No recent health violations

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Renton Drinking Water: Frequently Asked Questions

Is Renton, Washington tap water safe to drink?

Renton has 10 community water systems regulated by the EPA. Each system is required to test regularly for hundreds of contaminants and publicly report any violations. Click any water system listed above to see its specific violation history, lead test results, and a plain-English safety grade.

How many water utilities serve Renton, Washington?

10 community water systems serve Renton, Washington, providing water to approximately 193,833 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Renton tap water have lead?

Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.

What contaminants have been found in Renton drinking water?

EPA violation records for Renton water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.

How do I find out which water company serves my address in Renton?

Enter your Renton ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).