Is Red Rock, TX Tap Water Safe to Drink?
Graded C, with 33 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
64.6/100
waterverge.com Red Rock, TX — Water Quality Report
Red Rock's drinking water received a grade of C (64.6 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 531 residents using groundwater.
Lead levels were measured at 3.0 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 80 violations on record, including 2 health-based violations. 33 remain unresolved.
What to know about Red Rock's water
Red Rock ranks #651 out of 1067 cities in Texas for water quality, placing it below average in the state.
Red Rock 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, Red Rock may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 8 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Red Rock, TX water safe to drink?
Red Rock's drinking water has significant quality concerns based on EPA testing data. With a grade of C (64.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 531 residents using groundwater (wells).
Recent water quality updates for Red Rock
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Red Rock's water quality assessment. Grade: C (64.6/100).
Contaminants: Public Notice.
2 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Public Notice.
Federal disaster declaration (FEMA DR-4332). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4272). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Red Rock's water supply.
Well within EPA limits.
Violation history
Red Rock's water system has 80 total violations on record, including 2 health-based violations. 33 remain unresolved. 8 violations were issued in the last 5 years.
Flood & environmental risk
Bastrop County has experienced 4 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 Colorado Rv At Bastrop.
Where does Red Rock's water come from?
Red Rock's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 531 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Colorado Rv At Bastrop (river).
What Red Rock residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Red Rock's water.
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.
Red Rock'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
D3 — extreme droughtBastrop County is currently in D3 (extreme 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
Bastrop County has experienced 4 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. | 3.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Red Rock compares by contaminant
Explore where Red Rock ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Red Rock's water comes from
Red Rock'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 private ownership and serves approximately 531 people through 2 water systems.
Water bodies near Red Rock
Red Rock is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Red Rock
| System Name | PWSID | Population | Source |
|---|---|---|---|
| K & K WATER NORTH | TX0110047 | 318 | GW |
| K & K WATER SOUTH | TX0110045 | 213 | GW |
How Red Rock compares
Full Texas rankings →Red Rock's score of 64.6/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Texas rankings →About Red Rock, TX
Wikipedia →Red Rock is an unincorporated community in Bastrop County, Texas, United States.
Learn more about your water
Guides and resources related to Red Rock's water quality findings.
Explore water quality across Bastrop
Frequently asked questions
Is Red Rock, TX tap water safe to drink?
Red Rock's water quality earned a grade of C (64.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #651 out of 1067 cities tested in Texas.
What contaminants are in Red Rock's water?
Lead was measured at 3.0 ppb (90th percentile). 80 violations are on record.
How is Red Rock'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 Red Rock?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Red Rock's water come from?
Red Rock's water is sourced from Groundwater. The city has 2 water systems serving approximately 531 residents.
What health violations has Red Rock's water system had?
Red Rock has 2 health-based violations on record. The most recent violation was recorded in May 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 33 violations remain unresolved.
Is Red Rock's groundwater at risk of contamination?
Red Rock 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 80 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 Red Rock's water compare to other cities?
Red Rock ranks #651 out of 1067 cities in Texas (better than 39% of state cities) and #11641 out of 15744 cities nationally (26th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.