Is Hilltop Lakes, TX Tap Water Safe to Drink?
Graded B+, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
82.7/100
waterverge.com Hilltop Lakes, TX — Water Quality Report
Hilltop Lakes's drinking water received a grade of B+ (82.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,257 residents using groundwater.
Lead levels were measured at 3.3 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 3 violations on record, including 0 health-based violations. 2 remain unresolved.
What to know about Hilltop Lakes's water
Hilltop Lakes ranks #287 out of 1067 cities in Texas for water quality, placing it mid-range in the state.
Hilltop Lakes relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Hilltop Lakes may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Hilltop Lakes, TX water safe to drink?
Hilltop Lakes's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (82.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,257 residents using groundwater (wells).
Recent water quality updates for Hilltop Lakes
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hilltop Lakes's water quality assessment. Grade: B+ (82.7/100).
Contaminants: Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-4798). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Hilltop Lakes's water supply.
Well within EPA limits.
Violation history
Hilltop Lakes's water system has 3 total violations on record, including 0 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Leon County has experienced 6 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Navasota Rv Nr Easterly, Navasota Rv At Old San Antonio Rd Nr Bryan.
Where does Hilltop Lakes's water come from?
Hilltop Lakes's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,257 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Navasota Rv Nr Easterly (river), Navasota Rv At Old San Antonio Rd Nr Bryan (river).
What Hilltop Lakes residents can do
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Hilltop Lakes's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D2 — severe droughtLeon County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Leon County has experienced 6 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 3.3 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Hilltop Lakes compares by contaminant
Explore where Hilltop Lakes ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Hilltop Lakes's water comes from
Hilltop Lakes's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 1,257 people through 1 water system.
Water bodies near Hilltop Lakes
Hilltop Lakes is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Hilltop Lakes
| System Name | PWSID | Population | Source |
|---|---|---|---|
| HILLTOP LAKES WSC | TX1450006 | 1,257 | GW |
How Hilltop Lakes compares
Full Texas rankings →Hilltop Lakes's score of 82.7/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Texas rankings →About Hilltop Lakes, TX
Wikipedia →Hilltop Lakes is a census-designated place and unincorporated community in Leon County, Texas, United States. As of the 2010 census, the population was 1,101.
Learn more about your water
Guides and resources related to Hilltop Lakes's water quality findings.
Explore water quality across Leon
Frequently asked questions
Is Hilltop Lakes, TX tap water safe to drink?
Hilltop Lakes's water quality earned a grade of B+ (82.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #287 out of 1067 cities tested in Texas.
What contaminants are in Hilltop Lakes's water?
Lead was measured at 3.3 ppb (90th percentile). 3 violations are on record.
How is Hilltop Lakes's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Hilltop Lakes?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hilltop Lakes's water come from?
Hilltop Lakes's water is sourced from Groundwater. The city has 1 water system serving approximately 1,257 residents.
Is Hilltop Lakes's groundwater at risk of contamination?
Hilltop Lakes uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 3 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Hilltop Lakes's water compare to other cities?
Hilltop Lakes ranks #287 out of 1067 cities in Texas (better than 73% of state cities) and #6831 out of 15744 cities nationally (57th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Hilltop Lakes's small water system affect quality?
Hilltop Lakes's system serves approximately 1,257 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 3 violations on record.