Is Linn Valley, KS Tap Water Safe to Drink?
Graded B-, with 17 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
73.7/100
waterverge.com Linn Valley, KS — Water Quality Report
Linn Valley's drinking water received a grade of B- (73.7 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,008 residents using surface water.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 71 violations on record, including 49 health-based violations. 17 remain unresolved.
What to know about Linn Valley's water
Linn Valley ranks #222 out of 323 cities in Kansas for water quality, placing it below average in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, Linn Valley may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Linn Valley, KS water safe to drink?
Linn Valley's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (73.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,008 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Linn Valley
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Linn Valley's water quality assessment. Grade: B- (73.7/100).
Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Revised Total Coliform Rule, Chloramine.
Contaminants: LEAD AND COPPER RULE REVISIONS.
Federal disaster declaration (FEMA DR-3236). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-378). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Linn Valley's water supply.
Well within EPA limits.
Violation history
Linn Valley's water system has 71 total violations on record, including 49 health-based violations. 17 remain unresolved. 5 violations were issued in the last 5 years.
Flood & environmental risk
Linn County has experienced 2 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Marais Des Cygnes R.
Where does Linn Valley's water come from?
Linn Valley's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,008 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Marais Des Cygnes R (river).
What Linn Valley residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Linn Valley's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Linn Valley
Industrial polluters nearby
Reported releases to surface water by facilities near Linn Valley, ranked by pounds discharged annually.
Total reported releases to surface water: 32 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
LA CYGNE GENERATING STATION LACYGNE, KS66040 | Barium And Barium Compounds | 32 | 4.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Linn County has experienced 2 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Linn Valley compares by contaminant
Explore where Linn Valley ranks among all Kansas cities for specific contaminants.
Water source & infrastructure
Where Linn Valley's water comes from
Linn Valley's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by private ownership and serves approximately 1,008 people through 1 water system.
Water bodies near Linn Valley
Linn Valley is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Linn Valley
| System Name | PWSID | Population | Source |
|---|---|---|---|
| LINN VALLEY, CITY OF | KS2010712 | 1,008 | SW |
How Linn Valley compares
Full Kansas rankings →Linn Valley's score of 73.7/100 is above the average of 62/100 among major Kansas cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Kansas rankings →About Linn Valley, KS
Learn more about your water
Guides and resources related to Linn Valley's water quality findings.
Explore water quality across Linn
Frequently asked questions
Is Linn Valley, KS tap water safe to drink?
Linn Valley's water quality earned a grade of B- (73.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #222 out of 323 cities tested in Kansas.
What contaminants are in Linn Valley's water?
Lead was measured at 0.0 ppb (90th percentile). 71 violations are on record.
How is Linn Valley's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Linn Valley?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Linn Valley's water come from?
Linn Valley's water is sourced from Surface water. The city has 1 water system serving approximately 1,008 residents.
What health violations has Linn Valley's water system had?
Linn Valley has 49 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 17 violations remain unresolved.
How does Linn Valley's water compare to other cities?
Linn Valley ranks #222 out of 323 cities in Kansas (better than 31% of state cities) and #10042 out of 15744 cities nationally (36th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Linn Valley's small water system affect quality?
Linn Valley's system serves approximately 1,008 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 71 violations on record.