Sweet, ID: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Federal monitoring data for Sweet puts the city in ID's lower safety tier — exceedances show up in multiple utility districts, several systems have met thresholds requiring public notification under the Safe Drinking Water Act, and the compliance deficit has persisted across more than one consecutive reporting cycle, with no clear reversal visible in the most recent data available.
How Sweet Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Sweet Water
- Homes built before 1986: 26% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 13.06 — above typical levels.
Who Supplies Your Water in Sweet
As of current federal records, Sweet, ID 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 Sweet, Idaho, covering 1 community water system serving approximately 848 people.
No EPA violations recorded across any ZIP codes in Sweet — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Sweet: 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
Sweet water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Sweet
- 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 |
|---|---|---|---|
| 83670 | D | HORSESHOE BEND WATER SUPPLY | 750 |
All ZIP Codes in Sweet
- 83670 [D]
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 Sweet
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
Housing & Infrastructure in Sweet
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Newer construction dominates Sweet's residential inventory, as reflected in a median build year of 1993. The practical implication is that lead-soldered copper plumbing joints — a pre-1986 standard now federally prohibited — are an exception rather than the rule in this city, though they remain present in the older fraction of the housing stock.
Most homes in Sweet were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Sweet Homeowners
In Sweet, property wealth outpaces what documented remediation typically demands — the equity burden lands well within the low tier.
Remediation costs in Sweet are relatively low compared to home values. The $800–$1,500 estimated range is a small fraction of median property value. Home values are 7% below the Idaho average.
Lead Exposure Risk for Children in Sweet
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.
Reading Sweet's aggregate samples next to its housing-age figures yields a quiet baseline. Lead rests under the federal action benchmark in citywide monitoring, and only 26% of homes were built before the federal ban on solder containing lead. Households with kids — the population for whom CDC guidance places particular weight on minimizing exposure — can confirm in-home conditions with a draw-test kit, with a certified lead-removal filter available through certified retail channels if results warrant it.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Sweet
- 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.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Sweet, ID