01The verdict: is Laconner water safe?
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 1,585 residents using surface water (rivers, lakes, or reservoirs).
2 unresolved violations on record
EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.
See what was cited ↓Lead is well under the limit
90th-percentile lead is 2.7 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.
See the trend ↓Check back after the next refresh
EPA data updates on a rolling basis; we fold in new samples and violations every month.
Get alerts ↓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 1,585 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.
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.
02What's in Laconner's water
Every contaminant flagged in Laconner, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.
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 |
Cities ranked by 90th-percentile lead PF PFAS in Washington
Cities ranked by compounds detected Cu Copper in Washington
Cities ranked by 90th-percentile copper
03Laconner's ten-year track record
Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 15 violations on record, including 0 health-based violations. 2 remain unresolved.
All ten of the last ten years were clean — no EPA violations recorded for Laconner.
▼ Down 7 ppb since 1993. Latest reading: 0 ppb (2023) — 0% of the action level. Sampled at higher-risk homes (90th percentile).
04Where Laconner's water comes from
Laconner's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Purchased Surface Water
Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.
Wholesale supplier
Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.
2 systems
2 water systems (1 wholesaler), operated under local government ownership.
1,585 people
Residents served across Laconner's service area.
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 1,585 people through 2 water systems.
| System name | PWSID | Population | Source |
|---|---|---|---|
| LA CONNER WATER DEPT | WA5343350 | 1,585 | Purchased Surface Water |
| SWINOMISH | 105300032 | 1,212 | Purchased Surface Water |
05How Laconner compares
Scores for nearby Washington cities on one line, with the average marked.
dashed line = Washington average (53/100)
Laconner scores 92.8/100 — above the Washington average of 53/100. It outscores 10 of 10 nearby cities. Full Washington rankings →
42.3 / 100FTacoma, WA
32.2 / 100FVancouver, WA
32.9 / 100FSpokane, WA
39.2 / 100FKent, WA
44.4 / 100ABellevue, WA
91.6 / 100
Compare all cities in the county — grades, violations, and contaminant data side by side.→
06What to do at home
Steps matched to what testing actually found in Laconner's water — not generic advice.
A basic carbon filter still helps
Laconner's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.
Compare tested filters →Read your utility's annual report
Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.
How to read a CCR →Watch for Laconner alerts
We refresh EPA data monthly and surface new violations, advisories, and boil-water notices for your county on this page.
All water alerts →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 1,585 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 #1107 out of 15382 cities nationally (93th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.