Water Quality in BLAIR, OK (73526)
EPA violation data for public water systems serving ZIP code 73526.
89
Total Violations
38
Health-Based
51
Monitoring / Reporting
82
Resolved
What does this mean?
82 of 89 violations have been resolved. 38 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 51 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 (89 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| TTHM | Monitoring | N/A | N/A | Sep 28, 2025 | Active | N/A |
| E. COLI | Monitoring | 0 | N/A | Jul 13, 2025 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 13, 2025 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 13, 2025 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 13, 2025 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Active | N/A |
| TTHM | Health-Based | N/A | 0.106 | Jun 30, 2025 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 29, 2025 | Active | N/A |
| Chlorine | Monitoring | N/A | N/A | May 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | May 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
Lead & Copper Levels
Violation Timeline
2025(17)
TTHM
35
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
Consumer Confidence Rule
71
TTHM
02
TTHM
35
Chlorine
27
Chlorine
27
Chlorine
27
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
2024(33)
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
35
TTHM
35
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
35
TTHM
35
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
How Does This Compare?
BLAIR (73526) has 89 recorded violations, including 38 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.