HomeMy WebLinkAboutORD 3170. • • •
ORDINANCE NO. 3170 ----... ~-
ORDINANCE OF THE COUNC1L OF THE CITY OF PAl,O ALTO
AMENDING VARIOUS SECTIONS OF CHAPTER lfi.09 OF THE
PALO ALTO MUNICIPAL CODE
The Council of the City of Palo Alto does ORDAIN as follows:
SECTION 1. Section 16.09.110 of the Palo Alto ~unicipal Code is
herebyarn:eri'CfeO to read as follows:
16.09.010 Definitions, The following words and phrases, when
ever used in this chapter, shall be .s.s defined herein, \t~ords, terms
and phrases used :i.n this chapter not or.hen.Jise defined shall be a.s
defined in the latest editi(m of STANDARJ) ~·n::THODS FOR THS £XAl-HNATION
OF WATER AND WASTE~vATER, published by the American Puhlic Health
Association:
(a) "A-.1erage conc:entration 11 c1f a substance ~~hall mean the total
daily discharge weight of the substance divided by the total daily
\vaste·water vol~'Tie a.t the. point of dischargi;:,;.
(b) 11 Cesspool" shall mean a lined or partially lined underground
pit into which raw sanitary sewage is discharged.
(c) "Chief Engineer" shall mean the Chief Engineer, \~ater-Gas-
s D . . . f th c. t ... p ~ I l t ' Ut' '1. 't. .,.., ' t h. ewer 1VLS1on, o e 1 .y or a1o h .o s 1~~ 1es uepar.~en·, 1s
delegate~· or such other person as may be delegated by the City Manager
of the City of Palo Alto.
(d) "Discharg~r" shall mean any person who discharges. causes,
or permits the discharge of indus trial \r..?as te into a city sewer.
(e) "Industrial wastes" shall mean any liquid wastes and liquid
borne wastes from industrial and/or commercial processes, as distinct
from domestic or sanitary sewage~
(f) "Interceptor 11 shall mean a receptacle or trap designed and
constructed to intercept, separate and prevent the pasBage of pro
hibited substances into the sewer system.
(g) "Organic solvent•• ~hall mean an)' solvent which contains
carbon in its molecular s tructu1;:e.
(h) "Person" shall mean any individual, partnership, firm,
associationp corporation, or public agency.
(i) "Point of discharge" shall mean the point at which any pri
vate sewer joins a publi·c sewer lateral.
(j) "Sanitary sewage,. shall mean ·water-carried wastes from
residences, business property, institutions and industrial property
excluding ground, surface, storm waters and industrial wastes.
(k) "Seepage pi.t" shall me.an ~. device comprised of one or -more
pits extending into porous strata, lined with open-joined mascnry
or similar walls, capped and provided with a means of access such
as a manhole cover and into whic! ·;o~aste water disposrl system effluent
is discharged ..
(1) "Sewage treatment plant" shall mean any arrangement of
devices and structures used for treating sanitary sewage and indus~
trial wastes.
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(m) "Sewer" shall mean a pipe or conduit for carrying sewage.
(n) "Sewer system" shall mean all sewers~ treatment plants and
other facilities owned or operated by the City of Palo Alto for car
rying, collecting. treating, and disposing of sanitarv sewage and
indus trial wastes. ·
(o) "Storm watern shall mean the flow in Hewers resulting from
raJnwater.
(p) "Unpolluted water" means '1'1ater to which no constituent has
been added, either intentionally or accidentally, that would render
such water unacceptable for disposal to stonn or nntural drain<lges
or directly to surface waters.
SECTION 2. Section 16.09.015 entitled, :'Responsibility of the
Chief-rng~neer 11 shall be added to the Palo Alto ~·funici!Ja.l Code as
follows:
16.09.015 Responsibility of the Chief Engineer. The Chief
Engineet· shall be re~3ponsible for the adminis t.rat :i.on and enforcement
of the provisions of this Chapter, for conducting an industrial waste
source control program, and for promulgating such o.rder s, rules and
regula.tlons as are necessary to accomplish the pnrpose of this Article
in accordance with the requ:i.rements that. an: ot· may be '(Jromulgat~d
by the Environmental Protection Agency 1, the State \-later Resources
Control Board, the Regional Water Quality Control Board for the San
Francisco Bay Region or other duly authori.zed Boards or Agencies.
SECTION 3. Se.ction 16.09.035 ..:ontitled 11 Personnel Orientation"
shall ~aadea to Palo Alto Munic·1pal Code Chapter: 16.09 as follows:
16.09.035 Personnel Orientation. Holders of industrial waste
discharge permits shall take necessary steps to infort:l appropriate
personnel employed. by such permit holde-rs of the provisions of pars··
graphs 16.09.100 and 16.09.110 of this chapter.
Suc.h personnel shall include work~rs !'.lld supervisors whose duties
pertain in any m,flnner to the p·roduction or removal of waste discharges
regulated by this chapter.
Steps to inform ~u.ch personnel shall .include:
-orientation of newly employed or assigned personnel,
-annual orientation of all appropriate personnel, and
-posting of work stations with signs indicating approved methods
for tiisposition of wastes.
SECTION 4. Section 16.09.075 entitled "'Limitations on Point
of Discharge11.shall be added to Palo Alto !-iunicipal Code Chapter
16.09 as follows:
16.09h075 Limitations on Point of Discharge. No person shall
·discharge any substances directly into a manhole or othe.r opening
in a City sewer, other than through an approved building sewer~
SECTION 5. Secti()ri 16.09. 095 entitled "Discharger Self-Honi to ring
shalloe iiadea to the Palo Alto Municipal Code Chapt:er 16.09 as follows:
16.09.095 Discharger Self-Honitoring. The chief engineer may
require the discharger to conduct a reasonable sampling and analysis
program of discharger's industrial waste of a frequency and type re
ql.lired by the chief engineer to demonstrate compliance with the in
dustrial waste requirements of this chapter. The chief engineer may
require the industrial discharger to have samples analyzed, at dis
charger's expense, by a laboratory approved by the State of California
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Department of Health for such analysis. If compliance is demc.n.strated,
samples shall not be required more frequently than quarterly.
SECTION 6. Section 16.09. 110 enti t le.d t~Charac ter of Wastes"
shall-oe· amended as follows:
16~09.110 Character of wastes. Wastes prohibited from discharge
to the City's sewer system are as follows:
(a) Biochemical Oxygen Demand (B.O.D.). The average B.O~D.
concentratiOn of discnarged F,.;rastes shall not exceed 1.'~00 mg/liter.
(b) Chemicali3~gen Demand (C.O.D.). The average C.O.D, con
centrationoT""c:1TSC 1arged wastes sha11 not exceed 1, 000 mg/liter.
' (c) D~es. Wastes sho'tv-ing excessive coloration shall not h~
dischargr;d 1.nto the St~we.r systE'::m. Excessive colo:ratton shall be: de
fined as any coloration in a waste whichv for any wave lenRtll, dis
plays less than sixty percent of the light transmissibility of dis
tilled v7ater under the following conditions:
( 1) After fi l tr.ation through a 0 .1+5 micron r.c:mbr ane f i 1 ter;
(2) In the pH range of 5.5 to 10.0;
(3) Through a one centimeter light path;
(4) A maximum spectrum bank width of 10 millimicrons;
(5) Through the wave length range from 400 to 800 millimi-
crons.
(d) Explosives. No solids .• liquids, or gases which by themselves
or by interaction wfth other substanc.es may c:reate fire or explosion
hazards shall be discharged. Discharge of any explosive substances
shall he unlawful. Flammable substances including, but not limited
to, acetone, alcohols, benzene~ gasoline, xylene~ hexane and naptha,
shall not be discharged into the sewer system. Where fla.mmable sub
stances are used :i.n process€s, separate collection and disposal out
side the sewer system shall be provided.
(e) Grease and oil. Grease and/or oil shall not be discharged
into the. sewer system -if th~ average concentration of floatable oil
and/or grease (defined as that which is subject to gravity separation
at a temperature of 20 degrees C and at a pH of 4.5) exceeds 20 m.g/liter;
nor sh£411 the total oil and/or grease concentration ex.ceed 200 mg/lite:r.
(f) Hydrogen ion.concentration. The pH of wastes discharged
to the sewer system shall at all times be within the range of 5.5
to 10~0.
(g) Noxious or malodorous substances. No industrial waste
shall be diScnafged Whic'fi-afomtor·-rn-comoination with other wastes
may create a public nuisance, hazard, or make human entry into the
sewers abnotually hazardous.. Hercaptans and dissolved sulfides shall
not be discharged in cone en tra.tions e.xceeding 0. 1 mg I liter ..
(h) 9rganic solvents. Organic solvents shalJ, not be discharged.
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Department of Health for such analysis, If compliance is demonstrated,
samples shall not be required more frequently than quarterly.
SECTION 6. Section 16.09.110 entitled 11 Character of Wastes"
shall~ed as follows:
16.09.110 Character of wastes. Wastes prohibited from discharge
to the City's sewer system are as follows:
(a) Biochemical Oxygen Demand (B.O,D.). The ave1:age B.O.D.
concentration of discnarged wastes shall not exceed 400 mg/liter.
(b) Chemical O~_ygen Demand (C.O.D.)_. The average C.O.D. con
centration-or-dischargea: wastes shall not exceed 1 ~ 000 mg/ li te:r..
. (c) p~~· Wastes showing excessive. coloration
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shal;l ~ot be
d~scharged ~nto the sewer system. Exces~nve colorat:ton snaJ.l be d~~
fi.ned as any c.o loration in a waste which, for L=tny \\ra-ve ler)gttl, di.s···
plays less than sixty percent of the ligh~ transmissibility of dis
tilled water under the follo\'ling conditions:
(l) After filtration through a 0.45 micron membrane filter;
(2) In the pH range of 5.5 to 10.0;
(3) Through a one centimeter light path;
(4) A maximum spectrum bank width of 10 millimicrons~
(5) Through the wave length range from 400 to 800 millimi-
cr·ons.
(d) Explosives. No solids, liquids, or gases which by themselves
or by interaction with other substances may create fire or explosion
hazards shall be discharged. Discharge of any explosive substances
shall be unlawful. Flammable substanc.es including, but not limited
to, acetc~e, alcoholst benzene, gasoline, xylene, hexane and naptha,
shall not be discharged into the sewer system. Where flammable sub
stances are used in processes, separate collection and disposal out
side t~q sewer system shall be provided.
(e) Greas·e and oil. Grease and/or oil shall not be. discharged
into the sewer-BYstem if the average concentration of floatable oil
and/or grease (defi.ned as that which is subject to grav:tty separation
at a temperature of 20 degrees C and at a pH of 4. 5) exc1aeds 20 mg/liter;
nor shall the total oil and/or grease concentration exceed 200 mg/liter.
(f) Hydroge·n ion concentr·ation. The pH of wastes discharged
to the sewer system sha11at all times be within the range of 5 ~ .'1
to 10.0.
(g) Noxio·us· o·r malodorous substances. No industrial waste
shall be discFiargeCi which a""Ione or in comoi"'lation with other wastes
may create a public nuiRance, hazard~ or make human (mtry into the
sewers abnormally hazardous. Mercaptans and dissolvf.!d sulfides shall
not: be discharged in co~LCentrations exceeding 0.1 mg/ liter.
(h) Organic solvents~. Organic solvents shall not ia:~ discharged.
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(i) Radioactivip, The discharge of radioactive. wastes into
the sewer system sna! conform to the requirement£ of California
Radiation Control Regulations Title 17J California Administrative
Code., Chapter 5, Subchapter 4, and as subsequently amended.
(j) Solids
(1) Inert Solids. The discharge of inert solids including
but not limited to sand, glass, metal chips, bone, plastics, etc,
into the sewer is prohibited. Settling chambers or treatment works
shall be ins tal led ';.;here necessary to pr.even t the entry of inert
solids into the cewer system~
(2) Solid particles. Industrial wastes shall not contain
part:i.culate matter-that wilinot pass through a 1/2-:inch screen; this
subsection shall not apply to sanitary sewage from industrial estab
lishments.
(3) Susl?ended solids. The average concentration of sus
pendP.:d solids shai.1. not exceea'300 mg/liter nor shall the maximum
concentration of suspended solids exceed 1,000 mg/liter.
(~.) Total solids 0 The average concentration of total
solids shall notexceecrr;-5'00 mg/liter and the maximum concentration
of total solids shall not exceed 5 • 000 mg/li te·r.
(k) Stored li.9.3:!_id wastes. Liquid wastes that have been collected
and held in tanks or conta~ners shall not b~ discharged into the
sewer system except at locations authorized by the chief engineer
to collect such wastes. Wastes of this category include but are not
limited to:
(1) Chemical toilet wastes;
(2) Industrial wastes collected in containers or tanks;
(3) Pleasure boat wastes;
(4) Septic tank pumpings;
(5) Trailer, camper, housecar or other recreation vehicle
wastes.
(1) Storm water. No storm water, roof or yarrl drainager founda
tion or underdrainage shall be discharged :i.nto the sewer system,
nor shall any plumbing or pipi.ng be connec;ted in such a manner as
to make possible the discharge of storm water~
(m) Tem~erature. Temperature of wastewater at the point of
discharge sfiall not exceed 120 degrees F, except for periods of time
limited to thirty minutes and for flows limited to 30 gallons per
minute, a temperature of 150 degrees F' ma.y be permitted.
(n) Toxicity. Toxic discharges include~ but are not ~imited
to~ heavy metals, cyanides, phenols 1 bactericides~ antibiotics ancl
insecticides.
(1) The following is a nonexclusive list of toxic substances
and the maximum ~oncentration allowed for each discharge of 50,000
gallons per day or less. For discharges greater than 50~000 gallons
per day the maximum concentration shall be one-half the values in
the table:
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Toxicant
Arsenic
Barium
Beryllium
Boron
Cadmium
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Chromium, Hexavalent
Chromium total
Cobalt
Copper
Cresols
Cyanides
Formaldehyde
Lead
Maganese.
Mercury
Nickel
Phenols
Selenium
Silver
Zinc
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Maximum
Concentration allowable
0.1 mg/liter
5.0 mg/liter
1.0 mg/liter
1. 0 mg/ liter
0.1 mg/lit.er
1.0 mg/l:i.ter
2.0 mg/liter
1.0 mg/liter
2.0 mg/liter
2.0 mg/liters
1. 0 rng/ li te.r
5.0 mg/liter
0.5 rng/lit.er
1.. 0 mg I 1 iter
0.05 mg/liter
1. 0 mg/liter
1. 0 mg/li ter
2.,0 mg/liter
5.0 mg/liter
5.0 mg/liter
(2) Fluoride. The mr.udmum concentration allowable of
fluoride for discharge into the sewer system shall be 5 mg/liter.
(o) Unpolluted Water. Unpolluted water, including, but not
limited to cooling water, or process water shall not be discharged
through direct or indirect connection to a City sewer unless a permit
is issued by the City. The City may approve the discharge of such
water only when no reasonable alternative method of dispc•sal is avail
able. If a parmi t is granted for the discharge of such "1ater into
a city sewer, the user shall pay thE! applicable charges and feea and
shall meet such other conditions as required by the City.
SECTION 7. Chapter 16~09.120 entitled. 11 5tanda:rds for Other
Industrial Wastes" 13hall be added to Palo Alto Hunicipal Code Chapter
16.09 as follows:
16.09.120 Standards for Otb.er Industrial Wastes. The Chief
Engineer may establish standards for any industrial wastes not spe
cifically referred tq in thi.s chapter. Said s tanda.rds shall be pub
lished and shall be made available to any person requesting a copy
of said standards.
SECTION 8. Section 16.09.130 entitled "Damage to Facilities"
shall be addea to Pa.lo Alto Municipal Code Chapter 16.09 as follows:
16.09.130 Pa~mage to Facilities. ~1en a discharge causes an
obstruction, damage, or any other impairment to City facilities, the
City may assess a charge against the' discharger to reimburse the City
for costs incurred to clean or repair said facility.
SECTION 9. Section 16.09.140 entitled "Civil Penalties" shall
be added to Palo Alto Municipal Code Chapter 16;,09 as follows:
16.09.140 Civil Peal ties. Any person wh<'J intentionally or neg
ligently violates any provision of Chapter 16.09 or any provision
of any permit issued pursuant to. said chapte.r shall be civilly liable
to the City in a sum of not to exc~ed six thousand dollars ($6,000)
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for each day in which such violation occurs. The City may petition
the Superiot· Court pursuant to Government Code 54740 to impose, assess 1 and recover. such st.nns. The remedy provided in thi.s section is cumula ...
tive and not exclusive, and shall be in additton to the penalty pro
visions of Chapter 1. 08 of the Palo Alto Municipal Code and all other
remedies available to the City,
SECTION 10. Section 16.09.150 entitled "Conflicts with EPA re
quirements" shall be added to P~lo Alto Municipal Code Chapter 16.09
as follows:
16,09.150 Conflicts with EPA requirements. In the event of
conflicts between the discharge requirements established in this
chapter and future EPA d:i.sc-.harge requirements, the most restrictive
limitation shall apply.
SECTION 11. Section 16.09.160 entitled ''Construction Re>.quire
mentsr'snaT1be added to Palo Alto Municipal Code Chapter 16.09 as
follows:
16.09.160 Construction Requirements. Sewers shaJl be constructed
in accordance with City of Palo Alto Standard Specifications and
Chapter 1.6 of the Municipal Code.
SECTION 12. The Council of the City of Palo Alto hereby finds that
the ei1actment of this ordinance is not a "project" \Y':i.thin the meaning
of that term as defined in Section 11..04.130 of the Palo Alto Municipal
Code, and, therefore, no environmental assessment is necessary.
SECTION 13. This ordinance shall become effe<!ti.ve upon the com
mencement of the thirty-first da] after the day of its passage.
INTRODUCED: November 5~ 1~79
PASSED: November 19t 1979
AYES: Brenner, Eye~·ly~ Fazzinos Fletcher, Henderson~ Levy~ Renzel, Sher, Witherspoon
NOES: None
ABST'ENTIONS: None
ABSENT: None
:~J~~ APPROVED:
APPROVED AS TO FORM:
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