ZipCheckup grade for 95949: B.
This ZIP has a few items worth a quick check.
Grass Valley, CA (95949) Home Safety: 83/100
EPA data combined for 4 water systems mapped to this ZIP (largest mapped system: Nevada Id - Loma Rica)
EPA records for the water systems mapped to 95949 in Grass Valley, CA contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result of 0.0008 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 2 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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Score Breakdown
Overall Home Safety Score: 83/100
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 (6) MODERATE
Your Water System
ZIP code 95949 in Grass Valley, California is mapped to the water system Nevada Id - Loma Rica (EPA ID: CA2910006). This system provides water to approximately 14,072 people from surface water sources.
There are 4 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Nevada Id - Loma Rica | CA2910006 | 14,072 | Surface water |
| City of Grass Valley | CA2910001 | 4,947 | Surface water |
| Nevada Id - Lake of Pines | CA2910014 | 6,870 | Surface water |
| Nevada Id - E. George, Banner Mountain | CA2910004 | 17,154 | Surface water |
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
- 95924 (Cedar Ridge) - 7 mi
- 95712 (Chicago Park) - 7 mi
- 95945 (Grass Valley) - 8 mi - 1 violation recorded for mapped water systems
- 95713 (Colfax) - 8 mi
- 95975 (Rough And Ready) - 8 mi
- 95946 (Penn Valley) - 8 mi
- 95736 (Weimar) - 9 mi
- 95722 (Meadow Vista) - 9 mi
- 95602 (Auburn) - 9 mi - 1 violation recorded for mapped water systems
- 95703 (Applegate) - 10 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Nevada Id - Loma Rica (CA2910006) on EPA.gov.
5 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.
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 95949 show no PFAS detections among the compounds tested, at the program's reporting levels.
The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.
Environmental Hazards (11) HIGH
Home & Infrastructure (6) MODERATE
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Grass Valley
Based on local data for ZIP 95949, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Grass Valley has 2 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 95949 was built around 1984. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Grass Valley is 1984; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Active weather alerts in California increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 95949 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 95949 (primary system: Nevada Id - Loma Rica), including 0 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 95949's water come from?
The recorded water source for Nevada Id - Loma Rica, a system mapped to ZIP code 95949, is Surface water. This system serves approximately 14,072 people.
How does Grass Valley water compare to the national average?
Grass Valley's Home Safety Score ranks better than 67% of U.S. ZIP codes, and at or above 67% within California.
How can I get my water tested in Grass Valley?
If Nevada Id - Loma Rica 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.
Is lead a concern in 95949 tap water?
The Lead and Copper Rule record selected for 95949 reports a 90th-percentile lead result of 0.000772 mg/L for a water system mapped to this ZIP (record date 2024-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 95949?
95949 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Nevada County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 95949?
FEMA records contain 2 flood insurance claims filed in ZIP code 95949; the recorded rated-zone value (the most frequent one if there are several claims) is A, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Grass Valley, CA (95949) Home Safety: 83/100. https://zipcheckup.com/report/95949/
@misc{zipcheckup-report-95949,
author = {{ZipCheckup}},
title = {{Grass Valley, CA (95949) Home Safety: 83/100}},
year = {2026},
url = {https://zipcheckup.com/report/95949/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 95949
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 95924 | Cedar Ridge, CA | 6.8 mi | N/A | 0 |
| 95712 | Chicago Park, CA | 7.0 mi | N/A | 0 |
| 95945 | Grass Valley, CA | 7.7 mi | B | 1 |
| 95713 | Colfax, CA | 8.0 mi | N/A | 0 |
| 95975 | Rough And Ready, CA | 8.1 mi | N/A | 0 |
| 95946 | Penn Valley, CA | 8.2 mi | B | 0 |
| 95736 | Weimar, CA | 8.7 mi | N/A | 0 |
| 95722 | Meadow Vista, CA | 8.7 mi | B | 0 |
| 95602 | Auburn, CA | 9.4 mi | B | 1 |
| 95703 | Applegate, CA | 9.8 mi | B | 0 |
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