ZipCheckup grade for 95315: B.
The model grade is high, but the records on this page include findings worth reviewing.
Your top priority: match a filter's certification to the violations (14 health-based violations). Check your ZIP → NSF certified filters
Delhi, CA (95315): 14 Health-Based Violations Recorded for Mapped Water Systems - 82/100
EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Delhi Cwd)
Health-based violation records by water system:
EPA records for the water systems mapped to 95315 in Delhi, CA contain 15 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 14 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 14 health-based violations and 1 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
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Although the dataset for Delhi (95315) is limited in scope, one critical condition stands as the only elevated finding on record.
Score Breakdown
Overall Home Safety Score: 82/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (9) CRITICAL
Your Water System
ZIP code 95315 in Delhi, California is mapped to the water system Delhi Cwd (EPA ID: CA2410006). This system provides water to approximately 7,784 people from groundwater sources.
There are 2 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Delhi Cwd | CA2410006 | 7,784 | Groundwater |
| Hilmar County Water District | CA2410012 | 5,504 | Groundwater |
Other Water Quality Reports in California
- 90001 (Los Angeles)
- 90002 (Los Angeles)
- 90003 (Los Angeles)
- 90004 (Los Angeles)
- 90005 (Los Angeles)
- 90006 (Los Angeles)
- 90007 (Los Angeles)
- 90008 (Los Angeles)
- 90009 (Los Angeles)
- 90010 (Los Angeles)
- 90011 (Los Angeles)
- 90012 (Los Angeles)
- 90013 (Los Angeles)
- 90014 (Los Angeles)
- 90015 (Los Angeles)
- 90016 (Los Angeles)
- 90017 (Los Angeles)
- 90018 (Los Angeles)
- 90019 (Los Angeles)
- 90020 (Los Angeles)
Nearby Water Quality Reports
- 95334 (Livingston) - 4 mi - 3 violations recorded for mapped water systems
- 95303 (Ballico) - 5 mi
- 95324 (Hilmar) - 6 mi - 14 violations recorded for mapped water systems
- 95312 (Cressey) - 6 mi
- 95380 (Turlock) - 6 mi - 15 violations recorded for mapped water systems
- 95381 (Turlock) - 6 mi
- 95316 (Denair) - 8 mi
- 95382 (Turlock) - 8 mi
- 95374 (Stevinson) - 9 mi
- 95388 (Winton) - 10 mi - 10 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Delhi Cwd (CA2410006) on EPA.gov.
3 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
Compliance History
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 95315. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.
Detected compounds: PFHxS, PFOS.
Highest measured level: 0.008 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Health Risks from Detected Contaminants
Nitrate
High RiskEPA reference value: 10 mg/L (as nitrogen) · 14 violations on record
Blue baby syndrome in infants; potential cancer risk in adults
At-risk groups: infants under 6 months, pregnant women, people with G6PD deficiency
Treatment options (verify a product is certified to reduce this contaminant): reverse osmosis, ion exchange (anion resin), distillation · Find a filter →
Environmental Hazards (10) HIGH
Home & Infrastructure (6) OK
Cost & Community (9) OK
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Frequently Asked Questions
Is the tap water in 95315 safe to drink?
EPA SDWIS records 15 violations since 2021 across the water systems mapped to ZIP 95315 (primary system: Delhi Cwd), including 14 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 95315's water come from?
The recorded water source for Delhi Cwd, a system mapped to ZIP code 95315, is Groundwater. This system serves approximately 7,784 people.
How can I get my water tested in Delhi?
If Delhi Cwd supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 95315?
95315 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Merced County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 95315's water?
Yes, PFAS have been detected in samples from water systems mapped to 95315. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
How to cite this page
ZipCheckup. (2026). Delhi, CA (95315): 14 Health-Based Violations Recorded for Mapped Water Systems - 82/100. https://zipcheckup.com/report/95315/
@misc{zipcheckup-report-95315,
author = {{ZipCheckup}},
title = {{Delhi, CA (95315): 14 Health-Based Violations Recorded for Mapped Water Systems - 82/100}},
year = {2026},
url = {https://zipcheckup.com/report/95315/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 95315
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 95334 | Livingston, CA | 4.5 mi | A | 3 |
| 95303 | Ballico, CA | 4.9 mi | N/A | 0 |
| 95324 | Hilmar, CA | 5.6 mi | A | 14 |
| 95312 | Cressey, CA | 6.0 mi | N/A | 0 |
| 95380 | Turlock, CA | 6.0 mi | A | 15 |
| 95381 | Turlock, CA | 6.2 mi | N/A | 0 |
| 95316 | Denair, CA | 7.7 mi | A | 0 |
| 95382 | Turlock, CA | 7.9 mi | A | 0 |
| 95374 | Stevinson, CA | 8.8 mi | N/A | 0 |
| 95388 | Winton, CA | 9.5 mi | A | 10 |
Nearby ZIP Code Reports
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