Is Laconner, WA Tap Water Safe to Drink?
Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
92.8/100
Laconner, WA — Water Quality Report
Laconner's drinking water received a grade of A (92.8 out of 100), indicating excellent water quality. The city's 2 water systems serve approximately 2,797 residents using purchased surface water.
Lead levels were measured at 2.7 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 15 violations on record, including 0 health-based violations. 2 remain unresolved.
What to know about Laconner's water
Laconner ranks #21 out of 294 cities in Washington for water quality, placing it one of the best 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, Laconner may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Laconner, WA water safe to drink?
Laconner's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (92.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 2 water systems serve approximately 2,797 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Laconner
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Laconner's water quality assessment. Grade: A (92.8/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Coliform (TCR).
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Laconner's water supply.
Well within EPA limits.
Violation history
Laconner's water system has 15 total violations on record, including 0 health-based violations. 2 remain unresolved.
Where does Laconner's water come from?
Laconner's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 2,797 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Laconner residents can do
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
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. | 2.7 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Laconner compares by contaminant
Explore where Laconner ranks among all Washington cities for specific contaminants.
Water source & infrastructure
Where Laconner's water comes from
Laconner'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 local government ownership and serves approximately 2,797 people through 2 water systems.
Water systems serving Laconner
| System Name | PWSID | Population | Source |
|---|---|---|---|
| LA CONNER WATER DEPT | WA5343350 | 1,585 | SWP |
| SWINOMISH | 105300032 | 1,212 | SWP |
How Laconner compares
Full Washington rankings →Laconner's score of 92.8/100 is above the average of 53/100 among major Washington cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Washington rankings →Learn more about your water
Guides and resources related to Laconner's water quality findings.
Explore water quality across Skagit
Frequently asked questions
Is Laconner, WA tap water safe to drink?
Laconner's water quality earned a grade of A (92.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #21 out of 294 cities tested in Washington.
What contaminants are in Laconner's water?
Lead was measured at 2.7 ppb (90th percentile). 15 violations are on record.
How is Laconner'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 Laconner?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Laconner's water come from?
Laconner's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 2,797 residents.
How does Laconner's water compare to other cities?
Laconner ranks #21 out of 294 cities in Washington (better than 93% of state cities) and #1111 out of 15744 cities nationally (93th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.