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LONGMONT CITY OF

Serving 1 city in CO

Warning
4 above health guidelines
102K
People Served
1
City
1
Water Sources
0
MCL Violations

Official LONGMONT CITY OF Resources

LONGMONT CITY OF Service Area

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Service Area

This map shows the approximate service area for LONGMONT CITY OF. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

LONGMONT CITY OF Water Quality Grade

D
Poor

Multiple water quality concerns identified.

Quality Score60/100
4
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is LONGMONT CITY OF Water Safe to Drink?

LONGMONT CITY OF has reported 4 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 101,754 people across 1 city in CO. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

LONGMONT CITY OF Service Area

LONGMONT CITY OF Contact & Information

Mailing Address

375 AIRPORT Longmont, CO 80503

Water Sources & Treatment

Water Sources

Surface water

Treatment Methods

conventionalfiltration

Disinfectant Used

hypochlorite

LONGMONT CITY OF Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for LONGMONT CITY OF

Based on water quality data from cities served by LONGMONT CITY OF, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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