Water Quality in Redwood Valley, CA (95470)
EPA violation data for public water systems serving ZIP code 95470.
19
Total Violations
1
Health-Based
18
Monitoring / Reporting
17
Resolved
What does this mean?
17 of 19 violations have been resolved. 1 is a health-based violation, meaning contaminant levels exceeded federal safety limits. The remaining 18 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (19 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Arsenic | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Toluene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | Eye and nose irritation; stomach discomfort |
| Gross Alpha, Excl. Radon and U | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | Eye and nose irritation; stomach discomfort |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | May 27, 2023 | Active | N/A |
Lead & Copper Levels
Violation Timeline
2024(4)
Arsenic
03
Toluene
03
Revised Total Coliform Rule
3A
Chlorine
27
2023(8)
Chlorine
27
Gross Alpha, Excl. Radon and U
03
Lead and Copper Rule
52
Chlorine
27
Consumer Confidence Rule
71
Groundwater Rule
45
Revised Total Coliform Rule
3A
Chlorine
27
How Does This Compare?
Redwood Valley (95470) has 19 recorded violations, including 1 health-based. 2 remain unresolved. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.