F0/100
OMAHA TRIBE PWS — Water Quality Report 2026
Serving 1,800 people · Nebraska
Water Source
Groundwater
County
—
System ID
070000007
Violations
62
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
8
Violations (last 5yr)
4
Unresolved
3
Health-Related
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: January 1, 2024Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: January 1, 2024Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: January 1, 2024Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2023 – February 27, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – December 31, 2023Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – July 11, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved
Other violation
When: May 28, 2021 – October 18, 2021Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Other violation
When: May 27, 2021 – November 2, 2021Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About OMAHA TRIBE PWS
Is OMAHA TRIBE PWS water safe to drink?
OMAHA TRIBE PWS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 62 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has OMAHA TRIBE PWS detected?
1 contaminants were tested in OMAHA TRIBE PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does OMAHA TRIBE PWS have any EPA violations?
Yes, OMAHA TRIBE PWS has 62 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, MON, MR. 10 are health-based violations.
How many people does OMAHA TRIBE PWS serve?
OMAHA TRIBE PWS serves approximately 1,800 people, Nebraska.
What type of water does OMAHA TRIBE PWS provide?
OMAHA TRIBE PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 070000007.
How does OMAHA TRIBE PWS compare to other utilities in Nebraska?
OMAHA TRIBE PWS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Nebraska state page for a full comparison of water systems.