CITY REPORT MO

Grover, MO Water Safety: 63/100 (2026)

1 ZIP code · 4 water systems · Updated 2026-06-03

Although much of Grover meets baseline drinking water standards, some MO-tracked service areas show violations that merit a closer look — particularly for older housing stock.

How Grover Compares

Grover63/100
Missouri avg69/100
National avg67/100

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

1
ZIP Codes
4
Water Systems
0
ZIPs with Violations
C · 63
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$409K
Median Home Value
$2,100
Est. Remediation (0.5% of home value)

Key Facts for Grover Residents

  • Homes built before 1986: 21% — older plumbing may contain lead solder.
  • Estimated remediation: $2,100 per household.
  • CDC health risk index: 12.49 — above typical levels.

Grover's Water Providers

3 independent water providers serve Grover, MO — 4 systems appear in federal records.

Mo American St Louis St Charles Counties
Serves ~1,111,000 people
63
/100
JEFFERSON COUNTY PWSD 2
Serves ~16,548 people
63
/100
Jcpsd Summer Set
Serves ~1,080 people
63
/100

Overview

We track water quality and home safety data for 1 ZIP code in Grover, Missouri (population ~8,826), covering 4 community water systems serving approximately 1,128,888 people region-wide.

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

Home Safety Score

Average Home Safety Score for Grover: C (63/100)

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

Grover water systems draw from: Surface water.

Lead & Copper

  • Lead data: not yet available for Grover
  • 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
63040 C Mo American St Louis St Charles Counties 1,111,000

All ZIP Codes in Grover

Data Sources

Updated daily.

Grover Community Health Snapshot

10.6%
Asthma (US: 9.8%)
11.5%
Diabetes (US: 10.4%)
15.9%
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 11.5% ↑
Mental Health 15.9% ↑

Vertical line = national average. Above national · Below national

Grover Infrastructure Age

1995
Median Build Year
21%
Built Before 1986
3%
Built Before 1970
Copper
Likely Pipe Material

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

Compared to many older metro areas, Grover carries a relatively newer housing profile — the median build year of 1995 places most of the stock in the post-1986 era when lead solder was federally banned from new plumbing. That shift meaningfully reduces the baseline likelihood of lead leaching from copper joint solder. Homes from before 1986 do still exist in the mix, however, and individual testing remains the only way to confirm what a specific tap actually delivers.

1995
Median Year Built
21%
Pre-1986 (Lead Paint Risk)
3%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (3%) 1970–1986 (18%) Post-1986 (79%)

Most homes in Grover 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.

How Remediation Costs Compare in Grover

The household financial picture for Grover homeowners is proportionally favorable — addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.

Median Home Value
$408,800
Est. Remediation
$2,100
Remediation as % of home value 0.5%

Remediation costs in Grover are relatively low compared to home values. The $1,100–$3,400 estimated range is a small fraction of median property value. Home values are 133% above the Missouri average.

Grover: Lead Risk & Vulnerable Populations

21%
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.

Although citywide aggregate readings pass cleanly and just 21% of Grover housing comes from the pre-rule era, the difference between what utilities sample and what arrives at one specific faucet remains a structural feature of how monitoring works. Households with kids in the home can find a certified lead-removal filter and a draw-test kit through retailer-verified channels. That step is independent of system-level data.

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

Grover: Flood History & Water Damage Risk

The National Flood Insurance Program captures decades of claims at the local level, building a record of cumulative community flood exposure. For Grover, that record documents 2 claims and 100% of ZIP codes inside FEMA-designated flood zones. What makes those numbers relevant to water quality is the set of mechanisms flooding activates: heavy precipitation that floods treatment intake zones can introduce contaminants upstream of normal filtration; well casings in low-lying areas can be infiltrated by floodwaters carrying bacteria, sediment, and chemical residue; and distribution system pressure changes during flooding can create backflow conditions. These effects become more probable as flood frequency and magnitude increase — and the NFIP record indicates both are meaningful factors locally.

2
Total FEMA Flood Claims
$19,718
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones

Grover has a moderate flood history with 2 FEMA claims averaging $19,718 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$2,100</strong> remediation cost per household.

Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.

Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.

What You Can Do in Grover

  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. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.

Frequently Asked Questions

Is the water safe to drink in Grover, MO?
Grover has an average water safety score of 63/100 (Grade C). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Grover compare to Missouri average?
Grover has an average water safety score of 63/100, which is below the Missouri state average of 69/100.
How many water systems serve Grover?
Grover is served by 4 public water systems across 1 ZIP code, serving approximately 8,826 people.
How much does it cost to fix water issues in Grover?
Estimated remediation costs in Grover average $2,100 per household, ranging from $1,100 to $3,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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