LITTLE THOMPSON WD
Berthoud, CO · 25,654 served
LITTLE THOMPSON WD serves 25,654 people in Berthoud, CO. It has 0 health-based violations in the last 5 years. TapGraded gives this system a C.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
0
Currently unaddressed
0
Overall score
72/100
Violation history (last 5 years)
No violations on record.
Get alerted when LITTLE THOMPSON WD gets a violation
We'll only email you about this water system. Unsubscribe anytime.
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).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Surface water purchased from another system
- Ownership
- Local government
- Service connections
- 10,303
Worried about what's in your tap?
See which water filters are certified to remove the contaminants found in your area.
Find a filter that matches your waterFrequently asked questions
Is Berthoud, CO tap water safe to drink?
LITTLE THOMPSON WD has 0 health-based violations in the last 5 years. TapGraded gives this system a C.
Does LITTLE THOMPSON WD 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 LITTLE THOMPSON WD's water?
Yes — PFAS was detected at or above the EPA MCL for 1 of the tracked analytes.
Source: EPA SDWIS/ECHO · Data as of 2026Q2