Is Cuyon Pasto Vie, PR Tap Water Safe to Drink?
Graded B, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
78.5/100
Cuyon Pasto Vie, PR — Water Quality Report
Cuyon Pasto Vie's drinking water received a grade of B (78.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 515 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 70 violations on record, including 0 health-based violations. 8 remain unresolved.
What to know about Cuyon Pasto Vie's water
Cuyon Pasto Vie ranks #14 out of 101 cities in Puerto Rico for water quality, placing it above average in the state.
Cuyon Pasto Vie 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, Cuyon Pasto Vie may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 30 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Cuyon Pasto Vie, PR water safe to drink?
Cuyon Pasto Vie's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 515 residents using groundwater (wells).
Recent water quality updates for Cuyon Pasto Vie
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Cuyon Pasto Vie's water quality assessment. Grade: B (78.5/100).
Contaminants: Endrin, Methoxychlor, Toxaphene.
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Cuyon Pasto Vie's water supply.
Well within EPA limits.
Violation history
Cuyon Pasto Vie's water system has 70 total violations on record, including 0 health-based violations. 8 remain unresolved. 30 violations were issued in the last 5 years.
Where does Cuyon Pasto Vie's water come from?
Cuyon Pasto Vie's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 515 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Rio Guajataca (river), Lago Guajataca (lake), Canal De Derivacion (stream), Rio Camuy Nr Bayaney (river), Rio Grande De Arecibo (river).
What Cuyon Pasto Vie residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Cuyon Pasto Vie'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.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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 Cuyon Pasto Vie compares by contaminant
Explore where Cuyon Pasto Vie ranks among all Puerto Rico cities for specific contaminants.
Water source & infrastructure
Where Cuyon Pasto Vie's water comes from
Cuyon Pasto Vie'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 515 people through 1 water system.
Water bodies near Cuyon Pasto Vie
Cuyon Pasto Vie is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Cuyon Pasto Vie
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CUYON | PR0004555 | 515 | GW |
How Cuyon Pasto Vie compares
Full Puerto Rico rankings →Cuyon Pasto Vie's score of 78.5/100 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 Cuyon Pasto Vie, PR
Wikipedia →Aibonito is a small mountain town and municipality in Puerto Rico located in the Sierra de Cayey mountain range, north of Salinas; south of Barranquitas and Comerío; east of Coamo; and west of Cidra, and Cayey. Aibonito is spread over 8 barrios and Aibonito Pueblo. It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area.
Learn more about your water
Guides and resources related to Cuyon Pasto Vie's water quality findings.
Explore water quality across Aibonito Municipio
Frequently asked questions
Is Cuyon Pasto Vie, PR tap water safe to drink?
Cuyon Pasto Vie's water quality earned a grade of B (78.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #14 out of 101 cities tested in Puerto Rico.
What contaminants are in Cuyon Pasto Vie's water?
Lead was measured at 3.0 ppb (90th percentile). 70 violations are on record.
How is Cuyon Pasto Vie'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 Cuyon Pasto Vie?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Cuyon Pasto Vie's water come from?
Cuyon Pasto Vie's water is sourced from Groundwater. The city has 1 water system serving approximately 515 residents.
Is Cuyon Pasto Vie's groundwater at risk of contamination?
Cuyon Pasto Vie 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 70 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 Cuyon Pasto Vie's water compare to other cities?
Cuyon Pasto Vie ranks #14 out of 101 cities in Puerto Rico (better than 86% of state cities) and #8681 out of 15744 cities nationally (45th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Cuyon Pasto Vie's small water system affect quality?
Cuyon Pasto Vie's system serves approximately 515 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 70 violations on record.