MISI Score
26.0
Watch
Project NC / Durham County
WW · Durham CountyPWSID NC0332010
MISI Score
26.0
Watch
Score Confidence
0.9%
Peer Percentile
100.0th
As of
Apr 23, 2026
EXPLANATION
MARKET INTERPRETATION
Durham County's public water system serves roughly 322,083 residents, placing it among the larger community systems in this coverage set. At the latest reading, Munimetric flags the system as showing early but meaningful signs of structural stress.
The score is being driven mainly by Operational Stress, which is running high in the model, with Capex Pressure adding further pressure. In other words, Operational Stress is doing most of the heavy lifting in the headline score.
5 active stress signals are attached to this system, including one at high severity. The breadth of active signals, even without concentrated high severity, suggests pressure across more than one dimension.
Within its peer cohort, this system ranks around the 100th percentile on measured stress, placing it near the top of peer-group stress.
Recent score history has been relatively steady, consistent with the system's overall profile.
This summary is based on structured, source-backed public data and is intended for research and monitoring only. It is not investment advice, a credit opinion, or municipal advisory guidance.
SCORE STACK
SL 2020-79
| 2024 | 2023 | 2022 | 2021 | 2019 |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
ACTIVE SIGNALS
Repeated or serious compliance failures often indicate rising operational and infrastructure stress.
Score impact: 6.0 · Family: Operational Stress
Large structural capital need relative to local support capacity often precedes major rate or funding pressure.
Score impact: 4.0 · Family: Capex Pressure
Elevated drought and flood exposure raises outage, source-water, and infrastructure reliability stress.
Score impact: 6.0 · Family: Operational Stress
Active drought conditions stress source-water availability and treatment operations.
Score impact: 4.0 · Family: Operational Stress
PFAS detections can force expensive treatment retrofits and accelerate capital plans.
Score impact: 6.0 · Family: Capex Pressure
HISTORY
Latest
26.0
Trend
+16.0
Observations
20
Population Served
322,083