Conroe, TX Water Safety: 81/100 (2026)
8 ZIP codes · 16 water systems · Updated 2026-06-03
Although water quality varies across any metro, Conroe's systems collectively post above-average compliance scores for TX — and documented violations are few.
How Conroe Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Conroe, TX
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Conroe's 8 ZIP codes.
Key Facts for Conroe Residents
- Average lead level: 0.0012 mg/L.
- Homes built before 1986: 25% — older plumbing may contain lead solder.
- Estimated remediation: $1,875 per household.
- CDC health risk index: 11.46.
Conroe's Water Providers
Residential water service in Conroe, TX is divided among 3 separate utilities, drawn from 16 systems on file with federal regulators.
Overview
We track water quality and home safety data for 8 ZIP codes in Conroe, Texas, covering 16 community water systems serving approximately 193,955 people.
No EPA violations recorded across any ZIP codes in Conroe — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Conroe: B (81/100)
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
Conroe water systems draw from: Groundwater, 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 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 8 ZIP codes
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 77301 | B | City of Conroe | 113,912 |
| 77302 | B | City of Conroe | 113,912 |
| 77303 | B | City of Conroe | 113,912 |
| 77304 | B | City of Conroe | 113,912 |
| 77305 | A | City of Conroe | 113,912 |
| 77306 | A | City of Conroe | 113,912 |
| 77384 | A | City of Conroe | 113,912 |
| 77385 | B | City of Conroe | 113,912 |
All ZIP Codes in Conroe
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.
Conroe 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
Conroe Infrastructure Age
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
The year 1986 marks a critical threshold in residential plumbing safety: that's when the federal government banned lead solder from new construction, closing a major pathway for lead entering household drinking water via pipe joints. Conroe's median build year of 2000 signals that most of the city's housing was built under the newer standard. The distribution above tells the full story — the post-1986 majority lowers aggregate risk, but the pre-1986 share still deserves scrutiny from anyone living in or purchasing an older home.
Most homes in Conroe 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 Conroe
Placing remediation in the context of Conroe's property market, the equity share is low — most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.
Remediation costs in Conroe are relatively low compared to home values. The $1,263–$2,700 estimated range is a small fraction of median property value. Home values are 8% above the Texas average.
Conroe: 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.
Despite citywide averages reading cleanly under the federal action threshold, the way utilities pull samples — from a representative subset rather than door-to-door — leaves room for individual buildings with older interior lines to behave differently than the aggregate suggests. With only 25% of Conroe stock predating the solder rule, that residual subset is small but real, and a draw-test kit gives the only direct read on what comes out of one faucet on a given morning.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Conroe: Flood History & Water Damage Risk
Over the multi-decade span covered by the National Flood Insurance Program, Conroe has accumulated 4183 flood claims — a total that reflects a community where significant flooding is a recurring, documented feature of the local environment. That history has direct relevance to water quality. Each major flood event activates contamination pathways that are absent or dormant during dry conditions: treatment plants handling floodwater-saturated intake face sharply elevated contaminant loads; private wells in low-lying FEMA-designated zones — which cover 100% of local ZIP codes — can be infiltrated by surface runoff carrying bacteria, sediment, and chemical residue; distribution systems under pressure during flooding can experience backflow that draws untreated water into the supply.
Conroe has a significant flood history with 4,183 FEMA flood insurance claims on record, averaging $38,078 per claim. With 100% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
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>$1,875</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 Conroe, TX