Hyannis, NE: 1 Violation — 97/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Within Hyannis, safety indicators for tap water remain above the NE median — documented violations are infrequent and the city's compliance record sits in the upper tier.
How Hyannis Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Hyannis Water
- Your city's water systems recorded 1 violation in the past 5 years.
- Average lead level: 0.0016 mg/L.
- Homes built before 1986: 73% — older plumbing may contain lead solder.
- CDC health risk index: 13.55 — above typical levels.
Who Supplies Your Water in Hyannis
As of current federal records, Hyannis, NE is served primarily by one water utility among 1 tracked system. That single provider handles infrastructure investment, rate adjustments, and regulatory reporting under EPA oversight.
Overview
We track water quality and home safety data for 1 ZIP code in Hyannis, Nebraska, covering 1 community water system serving approximately 350 people.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Hyannis: A (97/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Hyannis water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0016 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 69350 | A | 1 | 0 | Hyannis, Village of |
All ZIP Codes in Hyannis
- 69350 [A] — 1 violation
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Hyannis
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Hyannis Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Hyannis
With 73% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Heavily weighted toward older construction, Hyannis's housing stock carries a median build year of 1967. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Hyannis were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Lead Exposure Risk for Children in Hyannis
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
When older housing represents 73% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Hyannis address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Hyannis, NE