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Durango West Md No. 2

Durango West Md No. 2 is the public water system serving 930 people in La Plata County, from purchased surface water. It buys water from Lake Durango Water Association. EPA modelled this service area rather than tracing it from a utility map, so treat the edge as approximate.
Community system · EPA id CO0134190 · filed with EPA as “DURANGO WEST MD NO 2”
People served
930
Service connections
357
Primary source
Purchased surface water
Owner
Local government
Counties served
La Plata
Water district

Modelled boundary. EPA estimated this service area (Random Forest) rather than tracing a utility-supplied map; treat the edge as approximate. About 0 km².

Where the water comes from

FacilityKindWater
WELL 5RWellGroundwater
WELL NO 10WellGroundwater
WELL NO 6WellGroundwater
WELL NO 8WellGroundwater
WELL NO 7 SHARED WITH MD NO 1WellGroundwater
PURCHASED LAKE DURANGO MASTER METERConsecutive connection (purchased)Surface water · from LAKE DURANGO WA

These are EPA's facility records, not DWR structures. Which decreed rights sit behind an intake is the next phase; nothing here is inferred.

Wholesale connections

Buys water from LAKE DURANGO WA.

DWR structures that name this system

Source Probable join · fetched 2026-10-06 · matched on DWR's recorded contact or an EPA intake name; verify on the dossier

No DWR structure on file records this system as its contact, and none of its EPA intakes matches a structure name in its districts. DWR records a contact on only a fraction of structures, and only for districts fetched from its live service, so this is absence of a record, not evidence of no rights.

Compliance record

Source Register of another agency · fetched 2026-10-07 · verify at EPA ECHO ↗

1 violation open now, none health-based. These are monitoring, reporting or notice requirements — a sample not taken, or a result not filed on time. They are real obligations, but they are not a finding about the water itself.

EPA's own summary: violations in 8 of the last 12 quarters. In violation for, in EPA's words: 1040=Nitrate; 2456=Total Haloacetic Acids (HAA5); 2950=TTHM. Currently: 2950=TTHM.

What happened

All 4 violation records on file, grouped into the 4 distinct things EPA's codes describe. Dates are the compliance period the violation is filed against.

Failure Submit IDSE/Subpart V Plan Rpt — TTHM monitoring and reporting 1 open
A required sample was not taken, or the result was not reported on time. 1 record, 2025-08-07.
Rule: Stage 2 Disinfectants and Disinfection Byproducts Rule.
MCL, Average — TTHM health-based
A measured contaminant level went over the federal limit. 1 record, 2017-07-01. Highest measured: 0.08703 MG/L against a limit of 0.08.
Rule: Stage 2 Disinfectants and Disinfection Byproducts Rule.
Treatment Technique No Certif. Operator — DBP Stage 1 health-based
A required treatment step was not carried out or not proved. 1 record, 2016-01-15.
Rule: Stage 1 Disinfectants and Disinfection Byproducts Rule.
OCCT/SOWT Study/Recommendation — Lead and Copper Rule health-based
A required treatment step was not carried out or not proved. 1 record, 2012-01-01.
Rule: Lead and Copper Rule -- corrosion of household plumbing.
Every violation record, as filed (4 of 4)
Compliance periodWhatAboutKindStatusMeasured
2025-08-07 Failure Submit IDSE/Subpart V Plan Rpt TTHM monitoring and reporting open
2017-07-01 – 2017-09-30 MCL, Average TTHM health-based returned to compliance (2018-01-08) 0.08703 MG/L (limit 0.08)
2016-01-15 Treatment Technique No Certif. Operator DBP Stage 1 health-based returned to compliance (2017-01-30)
2012-01-01 OCCT/SOWT Study/Recommendation Lead and Copper Rule health-based returned to compliance (2016-06-15)

What the regulator did about it

30 enforcement actions on this system's federal record. In Colorado the state is the primacy agency, so most actions are the state's; EPA acts directly on tribal systems and when it steps in.

DateActionBy
2025-09-17 St Violation/Reminder Notice state
2025-09-17 St Public Notif requested state
2025-04-22 St Violation/Reminder Notice state
2025-04-22 St Public Notif requested state
2025-04-22 St Violation/Reminder Notice state
2025-04-22 St Public Notif requested state
2025-04-11 St Compliance achieved state
2024-12-02 St Compliance achieved state
2024-01-29 St Violation/Reminder Notice state
2024-01-29 St Public Notif requested state
2020-08-07 St Violation/Reminder Notice state
2020-08-07 St Public Notif requested state
2020-07-20 St Compliance achieved
Sampled in next monitoring period
state
2018-01-08 St Compliance achieved
RTC with 4Q results received on 1/8/18 kld 2/1/18
state
2017-12-07 St Public Notif received state
2017-11-07 St Violation/Reminder Notice state
2017-11-07 St Public Notif requested state
2017-02-14 St Compliance achieved state
2017-02-10 St Violation/Reminder Notice state
2017-02-10 St Public Notif requested state

20 most recent of 30; the rest are on the ECHO report.

Lead and copper

The latest 90th-percentile lead result is 0.002 mg/L (sampling period ending 2025-12-31) against an action level of 0.015 mg/L, below it. 8 results on file.

The action level is not a health limit: it is the level at which the rule requires a system to act (corrosion control, public education, and in some cases replacing lead service lines). Lead mostly enters water from household plumbing, so a system-wide percentile does not tell you what comes out of one tap.

Violation, enforcement and lead/copper records are EPA SDWIS federal reporting, fetched monthly; the summary is EPA ECHO. Code names come from EPA's own REF_CODE_VALUE table. SDWIS carries violations, not routine sample results — nitrate, disinfection by-product and PFAS values are not in it, and a clean record here means nothing was reported as a violation, not that nothing was ever detected. For what was measured, ask the system for its Consumer Confidence Report.

PFAS and lithium: EPA's UCMR 5 monitoring, 2023–2025

Source Register of another agency · fetched 2026-10-09 · verify at EPA UCMR occurrence data ↗

EPA did not sample this system under UCMR 5 (the rule covered every system serving more than 3,300 people and a drawn sample of smaller ones).

Common questions

Who provides drinking water in Durango, Colorado?

Durango West Md No. 2 is the public water system serving 930 people in La Plata County, from purchased surface water. Its EPA public water system id is CO0134190.

Where does Durango West Md No. 2 get its water?

Durango West Md No. 2 reports purchased surface water as its primary source. EPA lists its source facilities as WELL 5R, WELL NO 10, WELL NO 6, WELL NO 8.

Does Durango West Md No. 2 have any drinking water violations?

EPA's compliance record shows no open health-based violations for Durango West Md No. 2 at the last monthly fetch. Older and non-health-based entries, if any, are listed on this page.

Every provider in La Plata County.

The record

EPA SDWIS federal reporting as of 2026-10-06; the compliance record above is EPA's own, fetched monthly, and the ECHO report carries the rest. Report a problem →