Is Angelus Oaks, CA Tap Water Safe to Drink?
Graded B-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
72.1/100
waterverge.com Angelus Oaks, CA — Water Quality Report
Angelus Oaks's drinking water received a grade of B- (72.1 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 1,520 residents using surface water.
Lead levels were measured at 2.8 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 19 violations on record, including 7 health-based violations. 6 remain unresolved.
What to know about Angelus Oaks's water
Angelus Oaks ranks #493 out of 694 cities in California for water quality, placing it below 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.
As a small community water system, Angelus Oaks may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 10 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Angelus Oaks, CA water safe to drink?
Angelus Oaks's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (72.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,520 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Angelus Oaks
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Angelus Oaks's water quality assessment. Grade: B- (72.1/100).
Contaminants: LEAD AND COPPER RULE REVISIONS.
2 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Federal disaster declaration (FEMA DR-3592). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3591). Flood event — may have impacted local water infrastructure.
Contaminants: TTHM, Nitrate, Total Haloacetic Acids (HAA5).
Key contaminant findings
Based on the most recent EPA sampling data for Angelus Oaks's water supply.
Well within EPA limits.
Violation history
Angelus Oaks's water system has 19 total violations on record, including 7 health-based violations. 6 remain unresolved. 10 violations were issued in the last 5 years.
Flood & environmental risk
San Bernardino County has experienced 10 federally declared disasters since 1980. 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 Santa Ana R Nr Mentone (River Only), Sar Supp Gage Nr Mentone, Burnt Canyon C.
Where does Angelus Oaks's water come from?
Angelus Oaks's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 1,520 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Santa Ana R Nr Mentone (River Only) (river), Sar Supp Gage Nr Mentone (river), Burnt Canyon C (river).
What Angelus Oaks residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Angelus Oaks'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.
Angelus Oaks'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
D1 — moderate droughtSan Bernardino County is currently in D1 (moderate 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
San Bernardino County has experienced 10 federally declared disasters since 1980. 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. | 2.8 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Angelus Oaks compares by contaminant
Explore where Angelus Oaks ranks among all California cities for specific contaminants.
Water source & infrastructure
Where Angelus Oaks's water comes from
Angelus Oaks'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 private ownership and serves approximately 1,520 people through 2 water systems.
Water bodies near Angelus Oaks
Angelus Oaks is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Angelus Oaks
| System Name | PWSID | Population | Source |
|---|---|---|---|
| BARTON FLATS WATER SYSTEM | CA3601048 | 1,070 | SW |
| GLEN MARTIN MWC | CA3610016 | 450 | GW |
How Angelus Oaks compares
Full California rankings →Angelus Oaks's score of 72.1/100 is above the average of 57/100 among major California cities. It outscores 7 of 10 nearby cities.
Nearby cities
View California rankings →About Angelus Oaks, CA
Wikipedia →Angelus Oaks is an unincorporated community in San Bernardino County, California, United States, and has a population of 535 as of the 2010 U.S. Census, up from an estimated population of 312 in 2000. It is surrounded by the San Bernardino National Forest and located east of San Bernardino on California State Route 38.
Learn more about your water
Guides and resources related to Angelus Oaks's water quality findings.
Explore water quality across San Bernardino
Frequently asked questions
Is Angelus Oaks, CA tap water safe to drink?
Angelus Oaks's water quality earned a grade of B- (72.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #493 out of 694 cities tested in California.
What contaminants are in Angelus Oaks's water?
Lead was measured at 2.8 ppb (90th percentile). 19 violations are on record.
How is Angelus Oaks'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 Angelus Oaks?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Angelus Oaks's water come from?
Angelus Oaks's water is sourced from Surface water. The city has 2 water systems serving approximately 1,520 residents.
What health violations has Angelus Oaks's water system had?
Angelus Oaks has 7 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.
How does Angelus Oaks's water compare to other cities?
Angelus Oaks ranks #493 out of 694 cities in California (better than 29% of state cities) and #10442 out of 15744 cities nationally (34th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.