Locust Grove, OK: 3 Health Violations — 71/100 (2026)
1 ZIP code · 8 water systems · Updated 2026-06-03
In current tracking cycles, Locust Grove records above-average water quality outcomes for OK; compliance history over recent years shows few departures from federal standards and no systemic failures across its water systems.
How Locust Grove Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Locust Grove Residents
- Your city's water systems recorded 59 violations in the past 5 years.
- Average lead level: 0.0012 mg/L.
- Homes built before 1986: 64% — older plumbing may contain lead solder.
- Estimated remediation: $3,400 per household.
- CDC health risk index: 16.01 — above typical levels.
Locust Grove's Water Providers
Throughout Locust Grove, OK, water comes from one of 3 primary utilities out of 8 total systems — independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.
Overview
We track water quality and home safety data for 1 ZIP code in Locust Grove, Oklahoma (population ~5,825), covering 8 community water systems serving approximately 20,994 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 3 health-based violations documented.
Home Safety Score
Average Home Safety Score for Locust Grove: B (71/100)
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
Locust Grove water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0012 mg/L (EPA action level: 0.015 mg/L)
- 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.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Fecal Coliform | Microbiological | 74 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 8 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 6 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 6 | 1 |
| Revised Total Coliform Rule | Microbiological | 6 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 74352 | B | 59 | 3 | Mayes Company Rwd # 9 |
All ZIP Codes in Locust Grove
- 74352 [B] — 59 violations ⚠
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.
Locust Grove Community Health Snapshot
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
What's in Locust Grove's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Locust Grove Infrastructure Age
With 64% 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 median home in Locust Grove was built in 1971 — 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.
Over half of homes in Locust Grove 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 Locust Grove
At current Locust Grove valuations, the remediation share sits in the elevated tier — a level where deliberate financial planning becomes a practical prerequisite rather than a convenience for most homeowners.
At 2.6% of home value, remediation costs in Locust Grove represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,900–$5,600. Home values here are 8% below the Oklahoma average.
Locust Grove: Lead Risk & Vulnerable Populations
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.
Confirming what arrives at a specific faucet is something utility-side averages cannot do. With 64% of Locust Grove stock built before the lead-solder ban and citywide monitoring at or beyond the regulatory mark, a tap-level kit fits the standard diligence picture.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Locust Grove: Flood History & Water Damage Risk
Across the NFIP's long tracking period, Locust Grove shows 7 claims and 100% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.
Locust Grove has a moderate flood history with 7 FEMA claims averaging $25,727 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>$3,400</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.
Deep Dive Reports
Detailed analysis for Locust Grove, OK