sanitary surveys described by this rule and defined by OAR 333-061-0020
shall be conducted by the Authority.
Every community, NTNC and TNC water
system must undergo a sanitary survey at least every five years at a frequency
determined by the Authority. Water suppliers must provide the Authority, upon
(a) Any existing information that
will enable the Authority to conduct the sanitary survey, including but not
limited to, records relating to: monitoring, reporting and data verification;
water system management and operations; and operator certification.
(b) Access to the entirety of the public
water system, including but not limited to: source of supply; treatment;
distribution system; finished water storage; pumps; and pump facilities and
sanitary survey shall be recorded and a report sent to the water supplier
following the site visit. The sanitary survey report shall include, at a
minimum, the following components of a water system: source of supply;
treatment; distribution system; finished water storage; pumps, pump facilities
and controls; monitoring, reporting and data verification; system management
and operations; and operator certification compliance.
The sanitary survey report will identify
any significant deficiency specified in this section or any violation of
drinking water regulations discovered during the site visit. Significant
deficiencies for all water systems include, but are not limited to:
Surface Water Treatment:
(A) Incorrect location for compliance
systems serving more than 3,300 people, no auto-dial, call-out alarm or
auto-plant shutoff for low chlorine residual;
(C) For conventional or direct filtration, no
auto-dial, call-out alarm or auto-plant shutoff for high turbidity when no
operator is on-site;
conventional filtration, settled water turbidity not measured daily;
(E) For conventional or direct filtration,
turbidity profile not conducted on individual filters at least
(F) For cartridge
filtration, no pressure gauges before and after cartridge filter;
(G) For cartridge filtration, filters not
changed according to manufacturer's recommended pressure differential;
(H) For diatomaceous earth
filtration, body feed not added with influent flow.
Groundwater Well Construction:
(A) Sanitary seal and casing not
(B) Does not meet
setbacks from hazards;
not protected from flooding;
raw water sample tap;
treated sample tap, if applicable; and
(F) If well vent exists, not
Groundwater Springbox Construction:
constructed of impervious, durable material;
(B) No watertight access
(C) No screened
(D) Does not meet
setbacks from hazards;
(E) No raw
water sample tap; and
treated sample tap, if applicable.
(A) No means to adequately determine flow
rate on contact chamber effluent line;
(B) Failure to calculate CT values correctly;
(C) No means to adequately
determine disinfection contact time under peak flow and minimum storage
(A) Hatch not
(B) Roof and hatch not
(C) No flap-valve or
equivalent over drain/overflow; and
(D) No screened vent.
Response required when
significant deficiencies are identified:
For water systems that use surface water sources or GWUDI sources, water
suppliers must respond in writing to the Authority within 45 days of receiving
the sanitary survey report.
supplier's response must include:
plan the water supplier will follow to resolve or correct the identified
plan the water supplier will follow to resolve or correct any violations of
drinking water regulations identified during the sanitary survey or at any
other time; and
(iii) The schedule
the water supplier will follow to execute the plan.
(B) The plans and schedules identified above
in subparagraphs (5)(a)(A)(i) through (iii) of this rule must be approved by
water systems that use only groundwater sources, water suppliers must consult
with the Authority within 30 days of receiving written notice of a significant
deficiency or a violation of these rules identified during the sanitary survey.
Within 120 days of receiving written notice of a significant deficiency or
violation of a drinking water regulation, water suppliers must:
(A) Have corrected the significant deficiency
or rule violation; or
(B) Be in
compliance with an Authority approved corrective action plan.
that fail to respond to the Authority within the timeframe specified, are
required to issue a tier 2 public notice as prescribed in OAR
suppliers must correct the deficiencies or violations identified in the
sanitary survey according to an Authority-approved schedule as described in
section (5) of this rule. Failure to do so constitutes a violation of this
Or. Admin. R.
OHD 23-2001, f. &
cert. ef. 10-31-01; OHD 17-2002, f. & cert. ef. 10-25-02; PH 12-2003, f.
& cert. ef. 8-15-03; PH 2-2008, f. & cert. ef. 2-15-08; PH 4-2009, f.
& cert. ef. 5-18-09; PH 7-2010, f. & cert. ef. 4-19-10;
23-2015, f. 12-8-15, cert. ef.
5-2016, f. 2-10-16, cert. ef.
2-2018, amend filed 01/10/2018, effective
30-2019, amend filed 12/19/2019, effective
Statutory/Other Authority: ORS
448.131 & 448.150
Statutes/Other Implemented: ORS