W
SafeWater

Water Quality in Boulder, CO

88 water systems serving 180,941 people

City Overview

88
Water Systems
180.9K
People Served
2.8 ppb
Avg Lead Level
None
Open Violations
Lead Risk: Caution

Average lead detection across Boulder water systems is 2.8 ppb (Low). The EPA action level is 15 ppb. 1 system have triggered action level violations.

Violation Summary

Total violations on record2241
Health-based violations234
Lead action level violations1
Open (unresolved) violations0

Water Systems in Boulder

BOULDER CITY OF
Community Water System · PWSID: CO0107152 · Surface Water
166.1K
served
2.0 ppb
lead
BOULDER VALLEY WTR & SAN DIST
Community Water System · PWSID: CO0079939 · Purchased Surface Water
6.5K
served
No data
lead
Clean
PINE BROOK HILLS WD
Community Water System · PWSID: CO0107610 · Surface Water
1.1K
served
0.0 ppb
lead
MILE HI WATER INC HAULER
Community Water System · PWSID: CO0107510 · Purchased Surface Water
1.0K
served
No data
lead
BASELINE WD
Community Water System · PWSID: CO0107135 · Purchased Surface Water
820
served
0.0 ppb
lead
FAIRVIEW CONOCO
Transient Non-Community · PWSID: CO0207266 · Groundwater
700
served
No data
lead
SHANNON WSD
Community Water System · PWSID: CO0107710 · Groundwater
450
served
2.0 ppb
lead
EAST BOULDER COUNTY WD
Community Water System · PWSID: CO0107236 · Purchased Surface Water
300
served
0.0 ppb
lead
LEFTHAND WSD LAKE PINES
Community Water System · PWSID: CO0107472 · Purchased Surface Water
250
served
4.0 ppb
lead
JACOBS CORNER
Non-Transient Non-Community · PWSID: CO0207401 · Groundwater Under Influence of SW
250
served
0.5 ppb
lead
COLORADO MOUNTAIN RANCH
Transient Non-Community · PWSID: CO0207755 · Purchased Surface Water
205
served
No data
lead
ELDORADO CORNER MARKET
Transient Non-Community · PWSID: CO0207225 · Groundwater
204
served
No data
lead
LAKE PUMP SYSTEM
Non-Transient Non-Community · PWSID: CO0207468 · Surface Water
161
served
No data
lead
CU MOUNTAIN RESEARCH STATION
Transient Non-Community · PWSID: CO0207785 · Groundwater Under Influence of SW
140
served
7.0 ppb
lead
UNITARIAN UNIVERSALIST CHURCH
Transient Non-Community · PWSID: CO0207784 · Groundwater Under Influence of SW
136
served
No data
lead
SPRING VALLEY WTR USERS ASSN
Community Water System · PWSID: CO0056127 · Groundwater
125
served
No data
lead
Clean
SPRING VALLEY WATER USERS
Community Water System · PWSID: CO0184770 · Groundwater
125
served
No data
lead
Clean
BARI-DON KNOLL
Community Water System · PWSID: CO0077479 · Groundwater
101
served
No data
lead
Clean
SPRING VALLEY MUTUAL WA
Community Water System · PWSID: CO0107719 · Groundwater
100
served
1.0 ppb
lead
GOLD HILL INN
Transient Non-Community · PWSID: CO0207319 · Groundwater
100
served
No data
lead

Frequently Asked Questions

Is Boulder tap water safe to drink?

Boulder tap water meets EPA standards for most contaminants. Review the individual water system pages below for the latest lead sample results and violation history.

What is the water quality in Boulder, Colorado?

Boulder has 88 public water systems serving approximately 180,941 people. The average lead level across sampled systems is 2.8 ppb. There are 2241 total violations on record.

Does Boulder have lead in the water?

EPA monitoring data shows an average lead detection of 2.8 ppb across Boulder's water systems. The EPA action level is 15 ppb. 1 system have triggered lead action level violations.

How many water utilities serve Boulder?

88 public water systems are registered in Boulder, Colorado with the EPA Safe Drinking Water Information System. Together they serve approximately 180,941 people.

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