Short answer: No measured result is above a legal limit. North Washington Street WSD serves 14,500 residents.
Your water bill or annual water quality report names your actual supplier.
NORTH WASHINGTON STREET WSD (EPA PWSID CO0101105) delivers surface water to 14,500 residents. This report reflects 0 individual PFAS result(s) from the source UCMR5 observations and the latest Lead & Copper Rule 90th-percentile result. Water hardness and disinfectant type are pending the utility's own annual report.
1health-based violation in the last 10 years
From EPA SDWIS. Counted once per contaminant per year, as in the Track record score.
No result is not a pass. Your utility's annual water quality report may list them, and a certified lab test covers your own tap.
Every filing is listed; the Track record score counts at most one per contaminant per year.
Resolved
to Resolved
Plumbing inside a home can add lead that the system record can't show. A tap test tells you what reaches your glass.
lead 9 µg/L, below the 15 µg/L action level
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure.
Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
When your results arrive, read them here →
Each card names which Welby findings its current certification covers, and which it doesn't.
As an Amazon Associate, PurityMap earns from qualifying purchases. A product appears here only when a current certification record covers at least one identified concern; every concern stays listed. The retail offer is looked up afterwards and never changes which products appear or their order. Affiliate disclosure.
PurityMap does not give a safe/unsafe verdict; it shows what the public records measured. For Welby, the lead 90th-percentile result was 9 µg/L against the 15 µg/L action level. NORTH WASHINGTON STREET WSD (PWSID CO0101105) has a Purity Score of 80/100 (confidence: low), assessed at the water-system level and computed only from contaminants that were measured. Water can change in your own pipes, so a certified test is the only way to know what comes out of your tap.
NORTH WASHINGTON STREET WSD (PWS ID CO0101105) is the public water system on record for Welby, Colorado, serving about 14,500 people. Confirm the utility on your water bill before acting on a specific finding.
Surface water (primary source of record in EPA SDWIS).
NORTH WASHINGTON STREET WSD's most recent lead 90th-percentile result (2002) was 9 µg/L, below the 15 µg/L action level. That figure comes from sampled homes; lead usually enters from a building's own pipes and fixtures, so only a test at your tap tells you what you drink.
PurityMap's current record for Welby holds 1 finding: 1 detected within the reference. Each finding links to its dated public record; a parameter that was never monitored is shown as pending, not as a pass.
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| Contaminant | Result | Benchmark | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lead (90th percentile) | 9 µg/L | 15 µg/L federal action level | Below the listed reference | 2002–2002 monitoring period | Lead & Copper Rule 90th-percentile: NORTH WASHINGTON STREET WSD (CO0101105) |
Every value is the published result from the cited public record. A reporting limit is the lowest level the method could reliably quantify; a non-detect is not a guarantee of zero.
State SDWIS Compliance Record
Lead & Copper Rule 90th-percentile: NORTH WASHINGTON STREET WSD (CO0101105)
US EPA SDWIS
Methodology: how we analyze water. Prepared with AI assistance and reviewed by the PurityMap Editorial Team before publication.
Start with the hot-or-cold tap check. Where North Washington Street WSD reported something related, it's shown below.
Lead at North Washington Street WSD: 9 µg/L (90th percentile, 2002 monitoring period). Lead has no taste, so a taste neither shows nor rules it out.