CITY REPORT MO

Richwoods, MO Water Safety: 53/100 (2026)

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

Richwoods, MO water systems: poor compliance record, lower-tier safety grade.

How Richwoods Compares

Richwoods53/100
Missouri avg69/100
National avg67/100

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

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
D · 53
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$123K
Median Home Value
$400
Est. Remediation (0.3% of home value)

What You Should Know About Richwoods Water

  • Homes built before 1986: 52% — older plumbing may contain lead solder.
  • Estimated remediation: $400 per household.
  • CDC health risk index: 16.38 — above typical levels.

Who Supplies Your Water in Richwoods

One utility dominates residential water service in Richwoods, MO — out of 1 system in federal records.

POTOSI PWS
Serves ~2,527 people
53
/100

Overview

We track water quality and home safety data for 1 ZIP code in Richwoods, Missouri (population ~1,315), covering 1 community water system serving approximately 2,527 people region-wide.

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

Home Safety Score

Average Home Safety Score for Richwoods: D (53/100)

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

Richwoods water systems draw from: Groundwater.

Lead & Copper

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

Radon Risk

Dominant radon zone: Zone 2 (Moderate 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
63071 D POTOSI PWS 2,527

All ZIP Codes in Richwoods

Data Sources

Updated daily.

Health Outcomes in Richwoods

11.2%
Asthma (US: 9.8%)
14.8%
Diabetes (US: 10.4%)
19.8%
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 11.2% ↑
Diabetes 14.8% ↑
Mental Health 19.8% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Richwoods

1985
Median Build Year
52%
Built Before 1986
27%
Built Before 1970
Copper
Likely Pipe Material

With 52% 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

The lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing — from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In Richwoods, where the median build year is 1985, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.

1985
Median Year Built
52%
Pre-1986 (Lead Paint Risk)
27%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (27%) 1970–1986 (25%) Post-1986 (48%)

Over half of homes in Richwoods 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.

Cost Context: What Remediation Means for Richwoods Homeowners

When estimated remediation is placed alongside median property values in Richwoods, 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
$122,900
Est. Remediation
$400
Remediation as % of home value 0.3%

Remediation costs in Richwoods are relatively low compared to home values. The $0–$800 estimated range is a small fraction of median property value. Home values are 30% below the Missouri average.

Lead Exposure Risk for Children in Richwoods

52%
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.

Wherever 52% of local housing was built before solder rules changed — as is the case in Richwoods — a faucet-level sample closes the gap that aggregate utility data cannot.

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

What You Can Do in Richwoods

  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 52% 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 Richwoods, MO?
Richwoods has an average water safety score of 53/100 (Grade D). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Richwoods compare to Missouri average?
Richwoods has an average water safety score of 53/100, which is below the Missouri state average of 69/100.
How many water systems serve Richwoods?
Richwoods is served by 1 public water system across 1 ZIP code, serving approximately 1,315 people.
How much does it cost to fix water issues in Richwoods?
Estimated remediation costs in Richwoods average $400 per household, ranging from $0 to $800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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