EPA compliance records for Osborn tell a largely clear story: violation rates are low, health-based exceedances are uncommon, and the city's grade puts it well above average within MO.

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

Overview

We track water quality and home safety data for 1 ZIP code in Osborn, Missouri (population ~729), covering 4 community water systems serving approximately 15,362 people region-wide.

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

Home Safety Score

Average Home Safety Score for Osborn: A (88/100)

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

Osborn water systems draw from: Groundwater.

Lead & Copper

• Average lead level (90th percentile): 0.0027 mg/L (EPA action level: 0.015 mg/L)
• 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

All ZIP Codes in Osborn

• 64474 [A]

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.

Housing Age Profile

The median home in Osborn was built in 1962 — a figure that places most of the city's residential stock in the era when lead solder was still standard in copper plumbing. Homes built before 1986 may have lead-soldered joints; those built before 1970 face the additional possibility of lead pipes in the service line itself.

1962

Median Year Built

67%

Pre-1986 (Lead Paint Risk)

34%

Pre-1970 (Lead Pipes Risk)

Pre-1970 (34%) 1970–1986 (33%) Post-1986 (33%)

Over half of homes in Osborn 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.

Osborn: Remediation Cost in Perspective

In Osborn, the equity impact of remediation is proportionally small — not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.

Median Home Value

$133,700

Est. Remediation

$500

Remediation as % of home value 0.4%

Remediation costs in Osborn are relatively low compared to home values. The $300–$800 estimated range is a small fraction of median property value. Home values are 24% below the Missouri average.

Protecting Children from Lead in Osborn

67%

Homes Built Before 1986

0.0027

mg/L Avg Lead (Limit: 0.015)

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.

Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet — and where 67% of Osborn homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.

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