PlainWater
Counties → Pennsylvania

Blair County, Pennsylvania

Water Systems
53
Population Served
101,979
Total Violations
8,263
405 health-based
PFAS Detected
0
of 3 tested

Violation Analysis

98.1%
Systems with Violations
155.9
Avg Violations per System
4.9%
Health-Based Violations

Water Source Types

GW
44 systems (83%)
SW
6 systems (11%)

PFAS Contamination

3
Systems Tested
0
PFAS Detected
0.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Blair Pennsylvania water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (50)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Altoona Water Authority 62,500 790 Clean
Hollidaysburg Muni Auth 8,523 61 Clean
Tyrone Boro Water Auth 6,500 116 Clean
Roaring Spring Muni Water Auth 3,182 89 -
Bellwood Boro Auth 3,162 103 -
Martinsburg Muni Auth 3,160 59 -
Blair Twp Water & Sewer Auth 2,550 44 -
Greenfield Twp Muni Auth 2,500 283 -
Duncansville Muni Water Auth 2,350 135 -
Williamsburg Munic Auth 1,800 260 -
Freedom Twp Water & Sewer 1,400 20 -
Juniata Gap Elem Sch 620 80 -
Hillcrest Communities LP 350 736 -
Southern Blair Senior Center 350 23 -
Geeseytown Vol Fire Co 304 62 -
Fredericksburg Water Assn 300 206 -
Duncansville MHP LLC 250 44 -
Blair MHP 185 594 -
Sproul Water Assn 180 813 -
Henrietta Mutual Water Assn 165 86 -
Fort Roberdeau 100 63 -
Canoe Creek St Park 100 16 -
VFW Post No 8724 100 95 -
Duncansville Dollar General 100 71 -
Vail Water Assn 98 1,172 -
East Sharpsburg Water Assn 95 15 -
Westwood Park Water Co 95 63 -
Curryville Water Auth 85 471 -
Ore Hill Water Assn 80 157 -
Camp Anderson Boy Scouts 75 95 -
Heidelberg Cc 60 16 -
Smith Corner Mennonite Ch 60 51 -
McKee Tavern 50 80 -
Bel Air Park Apts 44 246 -
Leightys Mkt 40 27 -
Ridge View Personal Care Home 35 186 -
Apple Blossom Lane MHP 31 186 -
Getgo #3701 25 37 -
Williamsburg C&ma Church 25 4 -
Relax Inn 25 34 -
Sandys Cs LLC 25 70 -
Scotch Valley Cc 25 45 -
Sheetz Store 169 McKee 25 26 -
Sinking Valley Cc 25 49 -
Milky Way Drive IN 25 23 -
Best Way Pizza 25 136 -
Taco Bell 33404 25 89 -
Conys Kitchen 25 14 -
Wrights Orchard Sta Cpgrd 25 17 -
Greenwood Steak House 25 31 -

Other Counties in Pennsylvania

Allegheny County
69 systems · 2,014,752 served · 5,241 violations
Philadelphia County
6 systems · 1,601,175 served · 447 violations
Montgomery County
172 systems · 1,274,688 served · 36,032 violations
Bucks County
299 systems · 599,107 served · 59,577 violations
Lancaster County
434 systems · 406,457 served · 39,193 violations
York County
208 systems · 389,602 served · 25,528 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Blair County? ▼
Blair County has 8,263 total drinking water violations across 53 water systems, of which 405 are health-based violations. 98.1% of systems have at least one violation.
How many people get water from Blair County systems? ▼
Water systems in Blair County serve approximately 101,979 people through 53 public water systems.
Has PFAS been detected in Blair County water? ▼
Of 3 water systems tested for PFAS in Blair County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Blair County? ▼
Water systems in Blair County use GW (44 systems), SW (6 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 4.9% of Blair County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.