CITY REPORT ID

Greencreek, ID: High Radon Risk — 40/100 (2026)

1 ZIP code · 1 water system · Updated 2026-06-03

Greencreek's water safety record falls below average in ID — compliance violations span multiple service areas, and several systems have recorded exceedances that trigger federal notification requirements under the Safe Drinking Water Act.

How Greencreek Compares

Greencreek40/100
Idaho avg66/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
D · 40
Avg Safety Score
Zone 1
Radon Risk (High)
$325K
Median Home Value
$1,200
Est. Remediation (0.4% of home value)

Key Facts for Greencreek Residents

  • Homes built before 1986: 81% — older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 13.98 — above typical levels.

Greencreek's Water Providers

Across most of Greencreek, ID, residential water comes from a single utility. That provider sets rates, manages infrastructure maintenance, and files compliance reports with the EPA on behalf of the households it serves. Federal tracking data shows 1 system on record, but one carries the bulk of the service load.

FERDINAND CITY OF
Serves ~133 people
40
/100

Overview

We track water quality and home safety data for 1 ZIP code in Greencreek, Idaho, covering 1 community water system serving approximately 182 people.

No EPA violations recorded across any ZIP codes in Greencreek — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Greencreek: D (40/100)

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

Greencreek water systems draw from: Groundwater.

Lead & Copper

  • Lead data: not yet available for Greencreek
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Areas with No Violations

ZIP Code Safety Score System Population
83533 D FERDINAND CITY OF 133

All ZIP Codes in Greencreek

Data Sources

Updated daily.

Greencreek Community Health Snapshot

10.6%
Asthma (US: 9.8%)
12.8%
Diabetes (US: 10.4%)
14.7%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.6% ↑
Diabetes 12.8% ↑
Mental Health 14.7% ↓

Vertical line = national average. Above national · Below national

Greencreek Infrastructure Age

1950
Median Build Year
81%
Built Before 1986
51%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 81% 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

What does a median build year of 1950 mean for water safety in Greencreek? It means the majority of the city's residential plumbing was installed before 1986, when lead solder was federally banned, and a large share may predate 1970, when lead pipes were commonly used — making plumbing age a central variable in household-level lead risk across much of the city.

1950
Median Year Built
81%
Pre-1986 (Lead Paint Risk)
51%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (51%) 1970–1986 (30%) Post-1986 (19%)

Over half of homes in Greencreek 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.

How Remediation Costs Compare in Greencreek

When estimated remediation is placed alongside median property values in Greencreek, the resulting ratio is low — a finding consistent with a household financial perspective where documented issues can be addressed without a meaningful impact on overall equity position, making this market one of the more favorable contexts for remediation planning.

Median Home Value
$325,000
Est. Remediation
$1,200
Remediation as % of home value 0.4%

Remediation costs in Greencreek are relatively low compared to home values. The $800–$1,500 estimated range is a small fraction of median property value. Home values are 2% below the Idaho average.

Greencreek: Lead Risk & Vulnerable Populations

81%
Homes Built Before 1986

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.

If 81% of the Greencreek inventory comes from before the federal ban on lead-bearing solder — and if utility samples sit at or near 0.015 mg/L — the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

What You Can Do in Greencreek

  1. Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
  2. Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. With 81% of homes built before 1986, lead solder is a real possibility.
  4. Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.

Frequently Asked Questions

Is the water safe to drink in Greencreek, ID?
Greencreek has an average water safety score of 40/100 (Grade D). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Greencreek compare to Idaho average?
Greencreek has an average water safety score of 40/100, which is below the Idaho state average of 66/100.
How many water systems serve Greencreek?
Greencreek is served by 1 public water system across 1 ZIP code, serving approximately 182 people.
How much does it cost to fix water issues in Greencreek?
Estimated remediation costs in Greencreek average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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