Windshield washer fluid on fresh water

MSDS wrote:

2
3. Hazard Identification
Emergency Overview: This is a clear purple colored
liquid with as pungent odor. It is combustible
and toxic. Methanol cannot be rendered non-toxic. R
esponders must protect against possible
inhalation and contact exposure. Fire protection mu
st be available to prevent or rapidly
extinguish a fire.
Primary Routes of Entry: Inhalation, skin contact, eyes, i
ngestion
Target Organs: Central Nervous System, eyes, circulatory
and respiratory systems.
Symptoms of Over Exposure by Route of Exposure: Windsh
ield Washer Solvent may be harmful if
swallowed, inhaled or injected into skin. Windshield Was
her Solvent can cause skin and eye irritation or
damage. It can also be irritating to mucous membranes
and the respiratory tract.
Inhalation: Inhalation may lead to irritation of th
e nose and throat. Symptoms of overexposure may
include dizziness, coughing headache, dyspnea, llachrymati
on, nausea and vomiting. Exposure to high
concentrations of vapor may cause unconscious or death. Asp
iration into the lungs can cause chemical
pneumonitis.
Contact With Eyes: Windshield Washer Solvent is an ey
e irritant. Splashes in the eye may cause
irritation, redness, tearing and temporary corneal da
mage or blindness.
Skin Absorption: Windshield Washer Solvent is absorbed
through the skin and may result in effects
similar to inhalation exposure.
Ingestion: Ingestion of 1 to 4 ounces of Windshield
Washer Solvent can cause irreversible damage to
the nervous system, blindness or death. It cannot be made
non-poisonous.
Injection: Injection can cause redness and irritation of
the surrounding tissue.
Health Effects or Risks From Exposure (In Lay Terms
)
Acute: Severe irritation of the tissue that had contact
with the product (skin, eyes, mucous membranes).
Drowsiness, fatigue, confusion may be experienced after i
nhalation or ingestion of the material.
Chronic: Washer Fluid is eliminated slowly from the bo
dy. Repeated exposure may build up toxic levels
in body tissues. Animal studies show long term exposure t
o Methanol damages the CNS, kidneys or
liver, skin disorders and birth defects.