Water Quality in MEDFORD, OR (97504)
EPA violation data for public water systems serving ZIP code 97504.
105
Total Violations
10
Health-Based
95
Monitoring / Reporting
102
Resolved
What does this mean?
102 of 105 violations have been resolved. 10 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 95 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 (105 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Aug 17, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Groundwater Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Jul 19, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 6, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Groundwater Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Gross Alpha, Excl. Radon and U | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Combined Uranium | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(23)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
E. COLI
34
Groundwater Rule
31
Revised Total Coliform Rule
3A
E. COLI
34
E. COLI
34
Groundwater Rule
31
Gross Alpha, Excl. Radon and U
03
Combined Uranium
03
Combined Radium (-226 and -228)
03
Lead and Copper Rule
51
Consumer Confidence Rule
71
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Combined Uranium
03
Gross Alpha, Excl. Radon and U
03
Combined Radium (-226 and -228)
03
Revised Total Coliform Rule
3A
Nitrate
02
Nitrate
02
2024(23)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Gross Alpha, Excl. Radon and U
03
Lead and Copper Rule
51
Combined Uranium
03
Combined Radium (-226 and -228)
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3B
Groundwater Rule
31
Lead and Copper Rule
52
Gross Alpha, Excl. Radon and U
03
Combined Radium (-226 and -228)
03
Combined Uranium
03
Lead and Copper Rule
52
Revised Total Coliform Rule
3A
Consumer Confidence Rule
71
Gross Alpha, Excl. Radon and U
03
Combined Uranium
03
Combined Radium (-226 and -228)
03
Nitrate
03
How Does This Compare?
MEDFORD (97504) has 105 recorded violations, including 10 health-based. 3 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.