Is Conroe, TX Tap Water Safe to Drink?
Yes, Conroe tap water is safe to drink. Hardness is low at 85 PPM, and no contaminants exceed health guidelines. Most homes here don't need treatment.
Hardness Scale: Where Conroe Falls
0Slightly
60Moderate
120Hard
180Very Hard
250Extreme
400+
How Conroe Compares
Conroe's water is 38% softer than the national average of 138 PPM - ranking in the bottom 59% for hardness nationwide. Most homes here do not need a softener. Within Texas, it ranks #73 of 76 cities (55% below the state average of 189 PPM). Among mid-size cities (100k-200k), Conroe ranks #118 of 189 for hardness.
What Conroe's Water Means for Your Home
Hardness: 85 PPM - Low Concern
Conroe's water is moderately hard at 85 PPM. You'll see some spotting on glassware and a film on shower doors over time, but it's not the kind of hardness that demands a full softener. A salt-free conditioner is worth considering if you have a tankless water heater or high-end fixtures.
Contaminants & Safety
Disinfection byproducts are the notable finding here. Conroe's water has TTHMs at 18.9 ppb and HAA5 at 5.4 ppb — both within legal limits, but the EWG health guidelines are far stricter. These byproducts form when chlorine reacts with organic matter during treatment. A whole-house activated carbon filter reduces both chlorine and its byproducts. Want the full picture? Request your utility's annual Consumer Confidence Report.
What's in the Treatment Process
Conroe's surface water supply requires heavy chlorination to stay safe — but that creates a tradeoff. The treatment process generates disinfection byproducts: TTHMs at 18.9 ppb (24% of the legal limit, but 126x the EWG guideline) and HAA5 at 5.4 ppb (9% of the legal limit, but 54x the EWG guideline). These are within legal limits, but the EWG sets much tighter thresholds based on cancer-risk research. A whole-house activated carbon filter reduces both chlorine and byproducts. All measurements are within federal legal limits. The EWG guidelines represent a more conservative, health-based standard.
| Contaminant | Detected | Health Guideline | Legal Limit | Status |
|---|---|---|---|---|
| Hardness (as CaCO₃) | 85 PPM | < 60 PPM | No federal limit | ✓ OK |
| Total Dissolved Solids | 102 PPM | < 300 PPM | 500 PPM | ✓ OK |
| PFAS (total) | 0 ppt | — | No total limit | ✓ ND |
| ↳ PFOA | 0 ppt | 0 ppt | 4 ppt (2024) | ✓ OK |
| ↳ PFOS | 0 ppt | 0 ppt | 4 ppt (2024) | ✓ OK |
| Lead | 1.2 ppb | 0 ppb (no safe level) | 15 ppb (10 ppb in 2027) | ✓ Low |
| Chlorine / Chloramine | 1.4 mg/L | Taste threshold ~1.0 | 4.0 mg/L | ✓ Normal |
| Nitrate | 0.44 mg/L | 5 mg/L | 10 mg/L | ✓ OK |
Recommendations for Conroe Homes
Quick Fix for Chlorine: Shower Filter
At 1.4 mg/L chlorine, many Conroe residents notice dry skin, brittle hair, and that "pool smell" in the shower. A shower filter installs in 5 minutes, no tools needed.
How to Test Your Water in Conroe
City-wide data is a solid starting point, but your specific tap might differ based on plumbing age, distance from the treatment plant, or seasonal changes.
Free option: Request City of Conroe Water's annual Consumer Confidence Report for official city-level data.
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About Conroe's Water Supply
Water Utility: City of Conroe Water
Water Source: Lake Conroe & San Jacinto River (Surface Water)
Population Served: 113,912
Hardness: 85 PPM (5 grains per gallon)
Conroe's drinking water comes from surface sources — Lake Conroe & San Jacinto River. Surface water requires more extensive treatment than groundwater, including coagulation, filtration, and disinfection. This heavier chlorination is why disinfection byproducts tend to be higher in surface-supplied systems. On the upside, surface sources often deliver softer water than deep aquifers. The system serves 114,000 residents.
Water quality can vary by neighborhood and season. For your exact numbers, request City of Conroe Water's Consumer Confidence Report (CCR) or test your own tap.
ZIP Codes Covered by This Report
This water quality data applies to all areas served by City of Conroe Water in Conroe, TX, including ZIP codes:
75834, 75845, 75851, 75856, 75862, 75865, 75901, 75926, 75934, 75939, 75941, 75960, 77301, 77302, 77303, 77304, 77305, 77306, 77316, 77318, 77320, 77326, 77327, 77328, 77331, 77333, 77334, 77335, 77340, 77341, 77342, 77343, 77344, 77348, 77349, 77350, 77351, 77354, 77356, 77358, 77359, 77360, 77363, 77364, 77367, 77368, 77369, 77371, 77372, 77378, 77384, 77385, 77399
If your ZIP code is listed above, this report covers your water supply. Water quality may vary slightly by neighborhood.
Compare Conroe to Other Texas Cities
Frequently Asked Questions About Conroe Water
Is Conroe tap water safe to drink?
Where does Conroe's water come from?
Do I need a water softener in Conroe?
What is the hardness of Conroe water in grains per gallon?
What are disinfection byproducts in Conroe's water?
Why does Conroe water taste like chlorine?
Can I drink Conroe tap water straight from the faucet?
How does Conroe compare to the Texas average?
Data sources: Lead and copper data from EPA Safe Drinking Water Act LCR reporting. Contaminant data from utility-reported testing results. PFAS data from EPA UCMR5 (2023–2025). Hardness from USGS and municipal reports. Data reflects system-level testing results and may not match your specific tap due to neighborhood plumbing, season, or recent utility changes. For your utility's latest results, request their Consumer Confidence Report (CCR). Our methodology. Last updated: 2026-02-24.
What Conroe Homeowners Actually Buy
Common purchases for homes with 85 PPM water.
Affiliate disclosure: we may earn a commission. Selection based on Conroe's water data.