Water Quality in RATHDRUM, ID (83858)
EPA violation data for public water systems serving ZIP code 83858.
87
Total Violations
24
Health-Based
63
Monitoring / Reporting
80
Resolved
What does this mean?
80 of 87 violations have been resolved. 24 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 63 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 (87 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| E. COLI | Monitoring | 0 | N/A | Sep 15, 2025 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 1, 2025 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(13)
E. COLI
34
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
2024(39)
Total Haloacetic Acids (HAA5)
27
TTHM
27
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Groundwater Rule
31
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Groundwater Rule
31
Groundwater Rule
20
Groundwater Rule
20
Groundwater Rule
20
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
Groundwater Rule
41
Groundwater Rule
41
Groundwater Rule
41
Groundwater Rule
41
Long Term 2 Enhanced Surface Water Treatment Rule
32
Long Term 2 Enhanced Surface Water Treatment Rule
32
Long Term 2 Enhanced Surface Water Treatment Rule
32
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
How Does This Compare?
RATHDRUM (83858) has 87 recorded violations, including 24 health-based. 7 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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.