ZipCheckup grade for 95531: A.
Checked records flag no major concern; missing data is unknown.
Crescent City, CA (95531): 2 Health-Based Violations Recorded for Mapped Water Systems - 91/100
EPA data combined for 5 water systems mapped to this ZIP (largest mapped system: City of Crescent City)
Health-based violation records by water system:
EPA records for the water systems mapped to 95531 in Crescent City, CA contain 7 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 2 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 2 health-based violations and 5 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result of 0.003 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 6 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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Crescent City (95531): one critical alert.
Score Breakdown
Overall Home Safety Score: 91/100
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 (7) CRITICAL
Your Water System
ZIP code 95531 in Crescent City, California is mapped to the water system City of Crescent City (EPA ID: CA0810001). This system provides water to approximately 17,262 people from groundwater sources.
There are 5 community water systems serving this area.
Lead & Copper in Your Water
The EPA requires water systems to monitor lead and copper levels under the Lead and Copper Rule.
| Metal | Measured Level | EPA Action Level | Status | Sample Date or Period |
|---|---|---|---|---|
| Copper | Action-level exceedance on record | 1.3 mg/L | Exceeds action level | Not present in ZipCheckup accepted source data |
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| City of Crescent City | CA0810001 | 17,262 | Groundwater |
| Bertsch Ocean View Csd | CA0810003 | 2,605 | Groundwater |
| Las Palmas Mobile Home Park | CA0800700 | 120 | Groundwater |
| West Park Properties | CA0800605 | 112 | Groundwater |
| Smith River C.s.d. | CA0810002 | 2,568 | 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
- 95532 (Crescent City) - 4 mi
- 95538 (Fort Dick) - 6 mi
- 95567 (Smith River) - 11 mi - 1 violation recorded for mapped water systems
- 95548 (Klamath) - 15 mi
- 95543 (Gasquet) - 18 mi - 1 violation recorded for mapped water systems
- 97415 (Brookings, OR) - 20 mi - 3 violations recorded for mapped water systems
- 95555 (Orick) - 30 mi - 3 violations recorded for mapped water systems
- 97534 (O Brien, OR) - 31 mi
- 97523 (Cave Junction, OR) - 36 mi
- 97531 (Kerby, OR) - 38 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Crescent City (CA0810001) on EPA.gov.
4 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 95531 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) OK
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 Crescent City
Based on local data for ZIP 95531, 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 Crescent City has 6 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 95531 was built around 1988. 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 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 95531 safe to drink?
EPA SDWIS records 7 violations since 2021 across the water systems mapped to ZIP 95531 (primary system: City of Crescent City), including 2 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 95531's water come from?
The recorded water source for City of Crescent City, a system mapped to ZIP code 95531, is Groundwater. This system serves approximately 17,262 people.
How does Crescent City water compare to the national average?
Crescent City's Home Safety Score ranks better than 82% of U.S. ZIP codes, and at or above 78% within California.
How can I get my water tested in Crescent City?
If City of Crescent City 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 95531 tap water?
The Lead and Copper Rule record selected for 95531 reports a 90th-percentile lead result of 0.00301 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 95531?
95531 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Del Norte 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 95531?
FEMA records contain 6 flood insurance claims filed in ZIP code 95531; the recorded rated-zone value (the most frequent one if there are several claims) is X, 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). Crescent City, CA (95531): 2 Health-Based Violations Recorded for Mapped Water Systems - 91/100. https://zipcheckup.com/report/95531/
@misc{zipcheckup-report-95531,
author = {{ZipCheckup}},
title = {{Crescent City, CA (95531): 2 Health-Based Violations Recorded for Mapped Water Systems - 91/100}},
year = {2026},
url = {https://zipcheckup.com/report/95531/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 95531
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 95532 | Crescent City, CA | 3.9 mi | N/A | 0 |
| 95538 | Fort Dick, CA | 6.0 mi | N/A | 0 |
| 95567 | Smith River, CA | 11.0 mi | N/A | 1 |
| 95548 | Klamath, CA | 14.7 mi | N/A | 0 |
| 95543 | Gasquet, CA | 17.8 mi | N/A | 1 |
| 97415 | Brookings, OR | 20.3 mi | N/A | 3 |
| 95555 | Orick, CA | 29.6 mi | N/A | 3 |
| 97534 | O Brien, OR | 31.1 mi | N/A | 0 |
| 97523 | Cave Junction, OR | 35.7 mi | N/A | 0 |
| 97531 | Kerby, OR | 38.3 mi | N/A | 0 |
Nearby ZIP Code Reports
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ZIP 95531 scores in the top tier nationally.