WATER IMPROVEMENT DISTRICT #3
Tulsa, OK · 2,475 served
WATER IMPROVEMENT DISTRICT #3 serves 2,475 people in Tulsa, OK. 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)
4
Currently unaddressed
0
Overall score
92/100
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).
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
- Private
- Service connections
- 872
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Is Tulsa, OK tap water safe to drink?
WATER IMPROVEMENT DISTRICT #3 has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Does WATER IMPROVEMENT DISTRICT #3 have lead in its water?
The most recent 90th-percentile lead sample is 0 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in WATER IMPROVEMENT DISTRICT #3'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