Is Vega Alta, PR Tap Water Safe to Drink?
Graded B- — but Chlorate was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
74.7/100
waterverge.com Vega Alta, PR — Water Quality Report
Vega Alta's drinking water received a grade of B- (74.7 out of 100), indicating fair water quality. The city's 1 water system serves approximately 2,344 residents using surface water.
Lead levels were measured at 6.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 221 violations on record, including 28 health-based violations. 8 remain unresolved.
What to know about Vega Alta's water
Vega Alta ranks #18 out of 101 cities in Puerto Rico for water quality, placing it above average in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
Haloacetic acid (HAA5) levels were elevated at 36.7 µg/L in UCMR 4 testing, though below the 60 µg/L EPA limit. Activated carbon filtration can help reduce these disinfection byproducts.
While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.
As a small community water system, Vega Alta may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Vega Alta, PR water safe to drink?
Vega Alta's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,344 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Vega Alta
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Vega Alta's water quality assessment. Grade: B- (74.7/100).
Contaminants: Nitrate.
Contaminants: Nitrate.
Contaminants: Consumer Confidence Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Vega Alta's water supply.
Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.
Violation history
Vega Alta's water system has 221 total violations on record, including 28 health-based violations. 8 remain unresolved. 3 violations were issued in the last 5 years.
Where does Vega Alta's water come from?
Vega Alta's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,344 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Rio Camuy Nr Bayaney (river), Rio Limon (river), Lago Dos Bocas (lake), Rio Grande De Arecibo Nr San Pedro (river), Rio Tanama (river).
What Vega Alta residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Vega Alta'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.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Recommended water filters
Based on contaminants detected in Vega Alta's water supply, we recommend the following filter types.
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. | 6.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Vega Alta compares by contaminant
Explore where Vega Alta ranks among all Puerto Rico cities for specific contaminants.
Water source & infrastructure
Where Vega Alta's water comes from
Vega Alta's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 2,344 people through 1 water system.
Water bodies near Vega Alta
Vega Alta is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Vega Alta
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SABANA HOYOS | PR0005587 | 2,344 | SW |
How Vega Alta compares
Full Puerto Rico rankings →Vega Alta's score of 74.7/100 is above the average of 38/100 among major Puerto Rico cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Puerto Rico rankings →About Vega Alta, PR
Wikipedia →Arecibo is a city and municipality on the northern coast of Puerto Rico, on the shores of the Atlantic Ocean, located north of Utuado and Ciales; east of Hatillo; and west of Barceloneta and Florida. It is about 50 miles (80 km) west of San Juan, the capital city. Arecibo is the largest municipality in Puerto Rico by area, and it is the core city of the Arecibo Metropolitan Statistical Area and part of the greater San Juan–Bayamón, PR Combined Statistical Area. It is spread over 18 barrios and Arecibo Pueblo. Its population in 2020 was 87,754.
Learn more about your water
Guides and resources related to Vega Alta's water quality findings.
Explore water quality across Loiza Municipio
Frequently asked questions
Is Vega Alta, PR tap water safe to drink?
Vega Alta's water quality earned a grade of B- (74.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #18 out of 101 cities tested in Puerto Rico.
What contaminants are in Vega Alta's water?
Lead was measured at 6.0 ppb (90th percentile). 221 violations are on record.
How is Vega Alta'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 Vega Alta?
While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Vega Alta's water come from?
Vega Alta's water is sourced from Surface water. The city has 1 water system serving approximately 2,344 residents.
What health violations has Vega Alta's water system had?
Vega Alta has 28 health-based violations on record. The most recent violation was recorded in July 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.
How does Vega Alta's water compare to other cities?
Vega Alta ranks #18 out of 101 cities in Puerto Rico (better than 82% of state cities) and #9770 out of 15744 cities nationally (38th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Vega Alta's small water system affect quality?
Vega Alta's system serves approximately 2,344 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 221 violations on record.