OHA Drinking Water Services
Unresolved Significant Deficiencies and Unmet Rule Requirements

Regulating Agency
County
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* Significant deficiencies are marked with a red asterisk. All others are unmet rule requirements.

Source
Well Construction
Sanitary seal and casing not watertight *
Unscreened well vent *
Spring/Other Source
Spring box construction does not exclude surface water *
Spring box not impervious durable material *
Spring box hatch/entry not watertight *
Spring box access hatch not secured *
No screened overflow *
Treatment
Surface Water Treatment
Turbidity standards not met *
Turbidimeters not calibrated per manufacturer or at least quarterly
Incorrect location for turbidity monitoring *
Bypass: no physical separation between treated and untreated water *
Conventional filtration: Settled water not measured daily
Conventional or direct filtration: Turbidity profile not conducted on individual filters at least quarterly
Cartridge filtration: Filters not changed according to manufacturer's recommended pressure differential *
Membrane filtration: Direct integrity testing does not meet requirements *
Disinfection
Unable to demonstrate minimum CTs are met *
Free chlorine residual not maintained
DPD/EPA-approved method not used
Chlorine not measured & recorded
No means to adequately determine flow rate on contact chamber effluent line
Failure to calculate CT values correctly
pH, temperature, and chlorine residual not measured daily at first user
No means to adequately determine disinfection contact time under peak flow and minimum storage conditions
If serving >3,300 people, no alarm or auto plant shut off for low chlorine residual
UV Disinfection: No intensity sensor with alarm or shut-off *

Other Treatment
Non-NSF approved chemicals
Corrosion control parameters not met
Finished Water Storage
Roof and access hatch not watertight or adequately secured *
No flap valve, screen, or equivalent on overflow or drain *
No screened vent *
Distribution System
20 psi not maintained at all service connections at all times *
Cross Connection
No ordinance or enabling authority (CWS)
Annual summary report not issued (CWS)
Testing records not current (CWS, NTNC, TNC)
No cross connection control specialist (CWS ≥ 300 connections)
Pumps
Booster Pumps: Pump drawing from main line not equipped to maintain at least 20 psi on suction side *
Monitoring & Reporting
Monitoring not current
Unaddressed MCL violations *
Unaddressed LCR action level exceedances
No coliform sampling plan
Management & Operations
No operations and maintenance manual
Emergency response plan not completed (CWS, NTNC)
Major modifications not approved (plan review)
Master plan not current (≥ 300 connections)
Annual CCR not distributed (CWS)
Overdue on compliance schedule *
Public notice not issued as required
Operator Certification
No DRC at required certification level *
No protocol for under-certified operator
Other
Other situations presenting an immediate public health risk, as determined by the Authority *