NORTH WASHINGTON STREET WSD
Denver, CO · 14,500 served
NORTH WASHINGTON STREET WSD serves 14,500 people in Denver, CO. It has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
1
Currently unaddressed
0
Overall score
90/100
Violation history (last 5 years)
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Lead (Lead and Copper Rule)
EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).
Latest EPA Lead and Copper Rule 90th-percentile reading (monitoring period ending December 31, 2002).
PFAS (UCMR5 occurrence data)
This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).
System details
- System type
- Community water system
- Water source
- Surface water purchased from another system
- Ownership
- Local government
- Service connections
- 3,637
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Is Denver, CO tap water safe to drink?
NORTH WASHINGTON STREET WSD has 0 health-based violations in the last 5 years. TapGraded gives this system an A. A Tap Grade summarizes public EPA compliance records; it is not a determination that water is safe or unsafe to drink.
Does NORTH WASHINGTON STREET WSD have lead in its water?
The most recent 90th-percentile lead sample is 9 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in NORTH WASHINGTON STREET WSD's water?
This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).
Source: EPA SDWIS/ECHO · Data as of 2026Q2
TapGraded presents public EPA data for information only — it is not health advice and not a determination that any water is safe or unsafe to drink. For health concerns, contact your water utility or local health department.