PlainWater
Counties → Missouri

Franklin County, Missouri

Water Systems
84
Population Served
71,212
Total Violations
5,402
1,253 health-based
PFAS Detected
2
of 8 tested

Violation Analysis

95.2%
Systems with Violations
64.3
Avg Violations per System
23.2%
Health-Based Violations

Water Source Types

GW
50 systems (60%)

PFAS Contamination

8
Systems Tested
2
PFAS Detected
25.0%
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

Franklin Missouri water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (49)

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
Washington PWS 14,068 90 Clean
Union PWS 12,348 112 Clean
Franklin County PWSD 3 8,250 36 Clean
Sullivan PWS 7,081 12 Clean
Pacific PWS 6,000 92 Clean
St Clair PWS 4,700 84 Detected
Franklin County PWSD 1 3,500 51 Clean
New Haven PWS 2,000 39 -
Gerald PWS 1,383 75 -
Franklin County PWSD 3 St Albans 1,300 24 -
Franklin County PWSD 4 760 52 -
Franklin County PWSD 3 Lake Serene 600 64 -
Oak Grove Village PWS 508 24 -
Wagners Store 500 3 -
Coleman Elementary School 485 15 -
Meramec Caverns 400 57 -
Lonedell R Xiv Elementary School 385 49 -
Argyle Estates Water Supply 380 166 -
Franklin County Water Company Inc 350 105 -
Nike Elementary School 300 18 -
Silver Oaks 300 26 -
Berger PWS 256 35 -
Village Greens 250 0 -
Sylvan Manor Subd 240 83 -
Melody Lake Water & Sewer 230 67 -
Spring Bluff R Xv Elementary School 220 9 -
Camp MO Val Camp Tambo 200 103 -
Robertsville Elementary School 190 22 -
Crestview Acres Subd 150 76 -
Miramiguoa Park 150 72 -
Evergreen Lake Estates 150 80 -
Franklin County R II Elementary School 150 29 -
Cedar Vale MHP 142 191 -
Meramec State Park Campgrd 138 4 -
Spring Meadows MHP 135 159 -
Bourbeuse MHP 125 60 -
Purina Animal Nutrition Center 125 41 -
Tall Oaks MHP 120 93 -
Campbellton Elementary School 120 29 -
Sirenity Farms Campground 120 4 -
Franklin County Special School Dist 111 6 -
Holtgrewe Farms Subdivision 110 11 -
Woodland Hills Subd 110 129 -
Meramec State Park Dining Lodge 100 4 -
Forty Acre Club 100 91 -
Cedar Creek Conference Center 100 113 -
Triple 3 Vineyard Winery and Event Cntr 100 21 -
Meramec Campground LLC 100 41 -
Paradise MHP 98 146 -
Hillshine Acres Subd 80 208 -

Other Counties in Missouri

St. Louis County
23 systems · 1,145,619 served · 1,825 violations
Cass County
31 systems · 625,744 served · 1,771 violations
Jackson County
23 systems · 405,266 served · 559 violations
St. Charles County
54 systems · 310,776 served · 2,706 violations
St. Louis city County
1 systems · 304,709 served · 27 violations
Greene County
82 systems · 265,439 served · 7,132 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Franklin County? ▼
Franklin County has 5,402 total drinking water violations across 84 water systems, of which 1,253 are health-based violations. 95.2% of systems have at least one violation.
How many people get water from Franklin County systems? ▼
Water systems in Franklin County serve approximately 71,212 people through 84 public water systems.
Has PFAS been detected in Franklin County water? ▼
Of 8 water systems tested for PFAS in Franklin County, 2 had PFAS detected (25.0% detection rate).
What types of water sources supply Franklin County? ▼
Water systems in Franklin County use GW (50 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. 23.2% of Franklin 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.